NP-MRD: Showing NP-Card for (2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol (NP0221694)

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Record Information

Version

1.0

Created at

2022-09-05 23:20:28 UTC

Updated at

2022-09-05 23:20:28 UTC

NP-MRD ID

NP0221694

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol

Description

Prodelphinidin B3 belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''. (2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol is found in Cistus incanus, Eucalyptus ovata, Platycarya strobilacea, Psidium guajava, Quercus dentata, Quercus robur, Ribes nigrum and Ziziphus spina-christi. It was first documented in 2013 (PMID: 23867167). Based on a literature review a significant number of articles have been published on Prodelphinidin B3 (PMID: 30381193) (PMID: 32545662) (PMID: 28934913) (PMID: 26103066).

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv1652309062201202D          

 44 49  0  0  1  0            999 V2000
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M  END

     RDKit          3D

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M  END


  Mrv1652309062201202D          

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    0.0000   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289   -0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -0.4125    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    2.8579   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0573    1.9049    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013    1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013   -0.4125    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -1.2375    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    2.8579   -1.6500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  2  0  0  0  0
  3  4  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  2  0  0  0  0
  6  7  1  0  0  0  0
  7  8  2  0  0  0  0
  2  8  1  0  0  0  0
  7  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  6  0  0  0
 11 12  2  0  0  0  0
 12 13  1  0  0  0  0
 13 14  1  0  0  0  0
 13 15  2  0  0  0  0
 15 16  1  0  0  0  0
 15 17  1  0  0  0  0
 17 18  1  0  0  0  0
 17 19  2  0  0  0  0
 11 19  1  0  0  0  0
 10 20  1  0  0  0  0
 20 21  1  1  0  0  0
 20 22  1  0  0  0  0
  6 22  1  0  0  0  0
 22 23  1  6  0  0  0
 23 24  2  0  0  0  0
 24 25  1  0  0  0  0
 24 26  1  0  0  0  0
 26 27  2  0  0  0  0
 27 28  1  0  0  0  0
 27 29  1  0  0  0  0
 29 30  2  0  0  0  0
 23 30  1  0  0  0  0
 30 31  1  0  0  0  0
 31 32  1  0  0  0  0
 32 33  1  6  0  0  0
 33 34  2  0  0  0  0
 34 35  1  0  0  0  0
 35 36  1  0  0  0  0
 35 37  2  0  0  0  0
 37 38  1  0  0  0  0
 37 39  1  0  0  0  0
 39 40  1  0  0  0  0
 39 41  2  0  0  0  0
 33 41  1  0  0  0  0
 32 42  1  0  0  0  0
 42 43  1  1  0  0  0
 42 44  1  0  0  0  0
 29 44  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0221694

> <DATABASE_NAME>
NP-MRD

> <SMILES>
O[C@H]1CC2=C(O[C@@H]1C1=CC(O)=C(O)C(O)=C1)C([C@H]1[C@H](O)[C@H](OC3=CC(O)=CC(O)=C13)C1=CC(O)=C(O)C(O)=C1)=C(O)C=C2O

> <INCHI_IDENTIFIER>
InChI=1S/C30H26O14/c31-11-5-14(33)22-21(6-11)43-29(10-3-18(37)26(41)19(38)4-10)27(42)24(22)23-15(34)8-13(32)12-7-20(39)28(44-30(12)23)9-1-16(35)25(40)17(36)2-9/h1-6,8,20,24,27-29,31-42H,7H2/t20-,24-,27-,28+,29+/m0/s1

> <INCHI_KEY>
RTEDIEITOBJPNI-MDPSILPBSA-N

> <FORMULA>
C30H26O14

> <MOLECULAR_WEIGHT>
610.524

> <EXACT_MASS>
610.132255517

> <JCHEM_ACCEPTOR_COUNT>
14

> <JCHEM_ATOM_COUNT>
70

> <JCHEM_AVERAGE_POLARIZABILITY>
57.34871709438355

> <JCHEM_BIOAVAILABILITY>
0

> <JCHEM_DONOR_COUNT>
12

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
(2R,3S,4S)-4-[(2R,3S)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol

> <JCHEM_LOGP>
2.508614370333333

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
6

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
8.967296531848277

> <JCHEM_PKA_STRONGEST_ACIDIC>
8.457041885451149

> <JCHEM_PKA_STRONGEST_BASIC>
-5.214620116717765

> <JCHEM_POLAR_SURFACE_AREA>
261.21999999999997

> <JCHEM_REFRACTIVITY>
150.46979999999996

> <JCHEM_ROTATABLE_BOND_COUNT>
3

> <JCHEM_RULE_OF_FIVE>
0

> <JCHEM_TRADITIONAL_IUPAC>
(2R,3S,4S)-4-[(2R,3S)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 06-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   06-SEP-22         0                                  
HETATM    1  O   UNK     0      -5.335   4.620   0.000  0.00  0.00           O+0
HETATM    2  C   UNK     0      -4.001   3.850   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0      -4.001   2.310   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0      -2.667   1.540   0.000  0.00  0.00           C+0
HETATM    5  O   UNK     0      -2.667  -0.000   0.000  0.00  0.00           O+0
HETATM    6  C   UNK     0      -1.334   2.310   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0      -1.334   3.850   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0      -2.667   4.620   0.000  0.00  0.00           C+0
HETATM    9  O   UNK     0       0.000   4.620   0.000  0.00  0.00           O+0
HETATM   10  C   UNK     0       1.334   3.850   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0       2.667   4.620   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0       2.667   6.160   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0       4.001   6.930   0.000  0.00  0.00           C+0
HETATM   14  O   UNK     0       4.001   8.470   0.000  0.00  0.00           O+0
HETATM   15  C   UNK     0       5.335   6.160   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0       6.668   6.930   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       5.335   4.620   0.000  0.00  0.00           C+0
HETATM   18  O   UNK     0       6.668   3.850   0.000  0.00  0.00           O+0
HETATM   19  C   UNK     0       4.001   3.850   0.000  0.00  0.00           C+0
HETATM   20  C   UNK     0       1.334   2.310   0.000  0.00  0.00           C+0
HETATM   21  O   UNK     0       2.667   1.540   0.000  0.00  0.00           O+0
HETATM   22  C   UNK     0       0.000   1.540   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       0.000  -0.000   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0      -1.334  -0.770   0.000  0.00  0.00           C+0
HETATM   25  O   UNK     0      -2.865  -0.931   0.000  0.00  0.00           O+0
HETATM   26  C   UNK     0      -1.334  -2.310   0.000  0.00  0.00           C+0
HETATM   27  C   UNK     0       0.000  -3.080   0.000  0.00  0.00           C+0
HETATM   28  O   UNK     0       0.000  -4.620   0.000  0.00  0.00           O+0
HETATM   29  C   UNK     0       1.334  -2.310   0.000  0.00  0.00           C+0
HETATM   30  C   UNK     0       1.334  -0.770   0.000  0.00  0.00           C+0
HETATM   31  O   UNK     0       2.667  -0.000   0.000  0.00  0.00           O+0
HETATM   32  C   UNK     0       4.001  -0.770   0.000  0.00  0.00           C+0
HETATM   33  C   UNK     0       5.335  -0.000   0.000  0.00  0.00           C+0
HETATM   34  C   UNK     0       5.335   1.540   0.000  0.00  0.00           C+0
HETATM   35  C   UNK     0       6.668   2.310   0.000  0.00  0.00           C+0
HETATM   36  O   UNK     0       7.574   3.556   0.000  0.00  0.00           O+0
HETATM   37  C   UNK     0       8.002   1.540   0.000  0.00  0.00           C+0
HETATM   38  O   UNK     0       9.336   2.310   0.000  0.00  0.00           O+0
HETATM   39  C   UNK     0       8.002  -0.000   0.000  0.00  0.00           C+0
HETATM   40  O   UNK     0       9.336  -0.770   0.000  0.00  0.00           O+0
HETATM   41  C   UNK     0       6.668  -0.770   0.000  0.00  0.00           C+0
HETATM   42  C   UNK     0       4.001  -2.310   0.000  0.00  0.00           C+0
HETATM   43  O   UNK     0       5.335  -3.080   0.000  0.00  0.00           O+0
HETATM   44  C   UNK     0       2.667  -3.080   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3    8                                                  
CONECT    3    2    4                                                       
CONECT    4    3    5    6                                                  
CONECT    5    4                                                            
CONECT    6    4    7   22                                                  
CONECT    7    6    8    9                                                  
CONECT    8    7    2                                                       
CONECT    9    7   10                                                       
CONECT   10    9   11   20                                                  
CONECT   11   10   12   19                                                  
CONECT   12   11   13                                                       
CONECT   13   12   14   15                                                  
CONECT   14   13                                                            
CONECT   15   13   16   17                                                  
CONECT   16   15                                                            
CONECT   17   15   18   19                                                  
CONECT   18   17                                                            
CONECT   19   17   11                                                       
CONECT   20   10   21   22                                                  
CONECT   21   20                                                            
CONECT   22   20    6   23                                                  
CONECT   23   22   24   30                                                  
CONECT   24   23   25   26                                                  
CONECT   25   24                                                            
CONECT   26   24   27                                                       
CONECT   27   26   28   29                                                  
CONECT   28   27                                                            
CONECT   29   27   30   44                                                  
CONECT   30   29   23   31                                                  
CONECT   31   30   32                                                       
CONECT   32   31   33   42                                                  
CONECT   33   32   34   41                                                  
CONECT   34   33   35                                                       
CONECT   35   34   36   37                                                  
CONECT   36   35                                                            
CONECT   37   35   38   39                                                  
CONECT   38   37                                                            
CONECT   39   37   40   41                                                  
CONECT   40   39                                                            
CONECT   41   39   33                                                       
CONECT   42   32   43   44                                                  
CONECT   43   42                                                            
CONECT   44   42   29                                                       
MASTER        0    0    0    0    0    0    0    0   44    0   98    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₃₀H₂₆O₁₄

Average Mass

610.5240 Da

Monoisotopic Mass

610.13226 Da

IUPAC Name

(2R,3S,4S)-4-[(2R,3S)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol

Traditional Name

(2R,3S,4S)-4-[(2R,3S)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol

CAS Registry Number

Not Available

SMILES

O[C@H]1CC2=C(O[C@@H]1C1=CC(O)=C(O)C(O)=C1)C([C@H]1[C@H](O)[C@H](OC3=CC(O)=CC(O)=C13)C1=CC(O)=C(O)C(O)=C1)=C(O)C=C2O

InChI Identifier

InChI=1S/C30H26O14/c31-11-5-14(33)22-21(6-11)43-29(10-3-18(37)26(41)19(38)4-10)27(42)24(22)23-15(34)8-13(32)12-7-20(39)28(44-30(12)23)9-1-16(35)25(40)17(36)2-9/h1-6,8,20,24,27-29,31-42H,7H2/t20-,24-,27-,28+,29+/m0/s1

InChI Key

RTEDIEITOBJPNI-MDPSILPBSA-N

Experimental Spectra

Not Available

Predicted Spectra

Spectrum Type	Description	Depositor ID	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 252 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 101 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 126 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 151 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 176 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 201 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 226 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Cistus incanus	LOTUS Database	35616633
Eucalyptus ovata	LOTUS Database	35616633
Platycarya strobilacea	LOTUS Database	35616633
Psidium guajava	LOTUS Database	35616633
Quercus dentata	LOTUS Database	35616633
Quercus robur	LOTUS Database	35616633
Ribes nigrum	LOTUS Database	35616633
Ziziphus spina-christi	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''.

Kingdom

Organic compounds

Super Class

Phenylpropanoids and polyketides

Class

Flavonoids

Sub Class

Biflavonoids and polyflavonoids

Direct Parent

Biflavonoids and polyflavonoids

Alternative Parents

Substituents

B-type proanthocyanidin
Bi- and polyflavonoid skeleton
Proanthocyanidin
Epigallocatechin
Catechin
3'-hydroxyflavonoid
3-hydroxyflavonoid
4'-hydroxyflavonoid
5-hydroxyflavonoid
7-hydroxyflavonoid
Flavan-3-ol
Hydroxyflavonoid
Flavan
Chromane
Benzopyran
1-benzopyran
Pyrogallol derivative
Benzenetriol
Phenol
Alkyl aryl ether
1-hydroxy-4-unsubstituted benzenoid
1-hydroxy-2-unsubstituted benzenoid
Monocyclic benzene moiety
Benzenoid
Secondary alcohol
Ether
Oxacycle
Polyol
Organoheterocyclic compound
Organic oxygen compound
Alcohol
Hydrocarbon derivative
Organooxygen compound
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

Not Available

Physical Properties

State

Not Available

Experimental Properties

Property	Value	Reference
Melting Point	Not Available	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	Not Available	Not Available
LogP	Not Available	Not Available

Predicted Properties

Property	Value	Source
logP	2.51	ChemAxon
pKa (Strongest Acidic)	8.46	ChemAxon
pKa (Strongest Basic)	-5.2	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	14	ChemAxon
Hydrogen Donor Count	12	ChemAxon
Polar Surface Area	261.22 Å²	ChemAxon
Rotatable Bond Count	3	ChemAxon
Refractivity	150.47 m³·mol⁻¹	ChemAxon
Polarizability	57.35 Å³	ChemAxon
Number of Rings	6	ChemAxon
Bioavailability	No	ChemAxon
Rule of Five	No	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	No	ChemAxon
MDDR-like Rule	No	ChemAxon

External Links

HMDB ID

Not Available

DrugBank ID

Not Available

Phenol Explorer Compound ID

Not Available

FoodDB ID

Not Available

KNApSAcK ID

C00009116

Chemspider ID

30822570

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Prodelphinidin B3

METLIN ID

Not Available

PubChem Compound

13831068

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

Rao S, Santhakumar AB, Chinkwo KA, Blanchard CL: Q-TOF LC/MS identification and UHPLC-Online ABTS antioxidant activity guided mapping of barley polyphenols. Food Chem. 2018 Nov 15;266:323-328. doi: 10.1016/j.foodchem.2018.06.011. Epub 2018 Jun 7. [PubMed:30381193 ]
Irakli M, Lazaridou A, Mylonas I, Biliaderis CG: Bioactive Components and Antioxidant Activity Distribution in Pearling Fractions of Different Greek Barley Cultivars. Foods. 2020 Jun 12;9(6). pii: foods9060783. doi: 10.3390/foods9060783. [PubMed:32545662 ]
Kohyama N, Chono M, Nakagawa H, Matsuo Y, Ono H, Matsunaka H: Flavonoid compounds related to seed coat color of wheat. Biosci Biotechnol Biochem. 2017 Nov;81(11):2112-2118. doi: 10.1080/09168451.2017.1373589. Epub 2017 Sep 22. [PubMed:28934913 ]
Lv H, Yuan Z, Wang X, Wang Z, Suo Y, Wang H: Rapid Separation of Three Proanthocyanidin Dimers from Iris lactea Pall. var. Chinensis (Fisch.) Koidz by High-Speed Counter-Current Chromatography With Continuous Sample Load and Double-Pump Balancing Mode. Phytochem Anal. 2015 Nov-Dec;26(6):444-53. doi: 10.1002/pca.2579. Epub 2015 Jun 23. [PubMed:26103066 ]
Suda M, Katoh M, Toda K, Matsumoto K, Kawaguchi K, Kawahara S, Hattori Y, Fujii H, Makabe H: Syntheses of procyanidin B2 and B3 gallate derivatives using equimolar condensation mediated by Yb(OTf)3 and their antitumor activities. Bioorg Med Chem Lett. 2013 Sep 1;23(17):4935-9. doi: 10.1016/j.bmcl.2013.06.061. Epub 2013 Jun 29. [PubMed:23867167 ]
LOTUS database [Link]

Showing NP-Card for (2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol (NP0221694)

MOL for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

3D MOL for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

3D SDF for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

3D-SDF for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

PDB for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

3D PDB for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

SMILES for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

INCHI for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

Structure for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)

3D Structure for NP0221694 ((2r,3s,4s)-4-[(2r,3s)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol)