NP-MRD: Showing NP-Card for 2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one (NP0318082)

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Record Information

Version

2.0

Created at

2022-09-11 18:22:01 UTC

Updated at

2022-09-11 18:22:01 UTC

NP-MRD ID

NP0318082

Secondary Accession Numbers

None

Natural Product Identification

Common Name

2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one

Description

2,7-Dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxy-4H-chromen-4-one belongs to the class of organic compounds known as 3'-o-methylisoflavones. These are flavones with methoxy groups attached to the C2' atom of the isoflavone backbone. 2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one is found in Wollastonia biflora. 2,7-Dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxy-4H-chromen-4-one is an extremely weak basic (essentially neutral) compound (based on its pKa).

Structure

MOL 3D MOL SDF PDB SMILES InChI

     RDKit          3D

 38 40  0  0  0  0  0  0  0  0999 V2000
    3.9534    1.8744   -1.8475 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5549    0.9680   -0.9406 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.7931    0.0260   -0.2522 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.4525   -0.0180   -0.4814 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.6788   -0.9451    0.1937 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.2322   -0.9735   -0.1117 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3214   -2.0049   -0.8447 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5627   -3.0287   -1.2253 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5836   -2.0516   -1.1786 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4558   -1.1079   -0.8431 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7735   -1.1986   -1.2200 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.6250   -0.1836   -0.8436 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.9535   -0.2795   -1.2269 O   0  0  0  0  0  0  0  0  0  0  0  0
   -4.1690    0.8948   -0.1062 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.8373    0.9770    0.2724 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3156    2.0095    1.0008 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9500    3.1371    1.4923 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.9632   -0.0445   -0.1045 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6217    0.0369    0.2687 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1823    0.9933    0.9322 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.2723   -1.8079    1.0872 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6192   -1.7860    1.3375 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.3767   -0.8382    0.6392 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7314   -0.8010    0.8777 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.6307    2.7367   -2.0468 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.0375    2.3358   -1.4081 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.6763    1.4170   -2.8143 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.9431    0.6596   -1.1879 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.1457   -3.8871   -1.5838 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.1292   -2.0619   -1.8097 H   0  0  0  0  0  0  0  0  0  0  0  0
   -6.6801   -0.7197   -0.6793 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.8528    1.6784    0.1766 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.7260    3.2540    2.5833 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.0229    3.0968    1.3039 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4917    4.0491    1.0167 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.6756   -2.5381    1.6217 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.1311   -2.4418    2.0262 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.1874   -1.4271    1.5214 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  3  4  2  0
  4  5  1  0
  5 21  2  0
 21 22  1  0
 22 23  2  0
 23 24  1  0
  5  6  1  0
  6  7  2  0
  7  8  1  0
  7  9  1  0
  9 10  1  0
 10 11  2  0
 11 12  1  0
 12 13  1  0
 12 14  2  0
 14 15  1  0
 15 16  1  0
 16 17  1  0
 15 18  2  0
 18 19  1  0
 19 20  2  0
 23  3  1  0
 19  6  1  0
 18 10  1  0
  1 25  1  0
  1 26  1  0
  1 27  1  0
  4 28  1  0
 21 36  1  0
 22 37  1  0
 24 38  1  0
  8 29  1  0
 11 30  1  0
 13 31  1  0
 14 32  1  0
 17 33  1  0
 17 34  1  0
 17 35  1  0
M  END


  Mrv1533004191521592D          

 24 26  0  0  0  0            999 V2000
   -2.8579   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434   -1.2375    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
   -0.7145   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -2.8875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434   -2.8875    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
    0.0000    0.0000    0.0000 O   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  0  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
    3.5724   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2868   -0.0000    0.0000 O   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
    2.8579   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -2.8875    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -1.2375    0.0000 C   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
    1.4289   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  4  5  1  0  0  0  0
  5  6  2  0  0  0  0
  6  7  1  0  0  0  0
  7  8  2  0  0  0  0
  3  8  1  0  0  0  0
  8  9  1  0  0  0  0
  5 10  1  0  0  0  0
 10 11  2  0  0  0  0
 11 12  1  0  0  0  0
 11 13  1  0  0  0  0
 13 14  1  0  0  0  0
 14 15  2  0  0  0  0
 15 16  1  0  0  0  0
 16 17  1  0  0  0  0
 16 18  2  0  0  0  0
 18 19  1  0  0  0  0
 19 20  1  0  0  0  0
 20 21  1  0  0  0  0
 19 22  2  0  0  0  0
 14 22  1  0  0  0  0
 22 23  1  0  0  0  0
 10 23  1  0  0  0  0
 23 24  2  0  0  0  0
M  END
> <DATABASE_ID>
NP0318082

> <DATABASE_NAME>
NP-MRD

> <SMILES>
COC1=CC(=CC=C1O)C1=C(O)OC2=CC(O)=CC(OC)=C2C1=O

> <INCHI_IDENTIFIER>
InChI=1S/C17H14O7/c1-22-11-5-8(3-4-10(11)19)14-16(20)15-12(23-2)6-9(18)7-13(15)24-17(14)21/h3-7,18-19,21H,1-2H3

> <INCHI_KEY>
CNYSDHVBPOWCMS-UHFFFAOYSA-N

> <FORMULA>
C17H14O7

> <MOLECULAR_WEIGHT>
330.292

> <EXACT_MASS>
330.073952791

> <JCHEM_ACCEPTOR_COUNT>
7

> <JCHEM_ATOM_COUNT>
38

> <JCHEM_AVERAGE_POLARIZABILITY>
32.29332065909048

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
3

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxy-4H-chromen-4-one

> <ALOGPS_LOGP>
2.20

> <JCHEM_LOGP>
2.5510767473333327

> <ALOGPS_LOGS>
-3.69

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
3

> <JCHEM_PHYSIOLOGICAL_CHARGE>
-1

> <JCHEM_PKA>
7.352378577269468

> <JCHEM_PKA_STRONGEST_ACIDIC>
5.478830096558449

> <JCHEM_PKA_STRONGEST_BASIC>
-4.551504939992365

> <JCHEM_POLAR_SURFACE_AREA>
105.45000000000002

> <JCHEM_REFRACTIVITY>
93.90689999999998

> <JCHEM_ROTATABLE_BOND_COUNT>
3

> <JCHEM_RULE_OF_FIVE>
1

> <ALOGPS_SOLUBILITY>
6.68e-02 g/l

> <JCHEM_TRADITIONAL_IUPAC>
2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 19-APR-15   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   19-APR-15         0                                  
HETATM    1  C   UNK     0      -5.335  -3.080   0.000  0.00  0.00           C+0
HETATM    2  O   UNK     0      -4.001  -2.310   0.000  0.00  0.00           O+0
HETATM    3  C   UNK     0      -2.667  -3.080   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0      -1.334  -2.310   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       0.000  -3.080   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       0.000  -4.620   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0      -1.334  -5.390   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      -4.001  -5.390   0.000  0.00  0.00           O+0
HETATM   10  C   UNK     0       1.334  -2.310   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0       1.334  -0.770   0.000  0.00  0.00           C+0
HETATM   12  O   UNK     0       0.000   0.000   0.000  0.00  0.00           O+0
HETATM   13  O   UNK     0       2.667   0.000   0.000  0.00  0.00           O+0
HETATM   14  C   UNK     0       4.001  -0.770   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       5.335   0.000   0.000  0.00  0.00           C+0
HETATM   16  C   UNK     0       6.668  -0.770   0.000  0.00  0.00           C+0
HETATM   17  O   UNK     0       8.002  -0.000   0.000  0.00  0.00           O+0
HETATM   18  C   UNK     0       6.668  -2.310   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0       5.335  -3.080   0.000  0.00  0.00           C+0
HETATM   20  O   UNK     0       5.335  -4.620   0.000  0.00  0.00           O+0
HETATM   21  C   UNK     0       4.001  -5.390   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       4.001  -2.310   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       2.667  -3.080   0.000  0.00  0.00           C+0
HETATM   24  O   UNK     0       2.667  -4.620   0.000  0.00  0.00           O+0
CONECT    1    2                                                            
CONECT    2    1    3                                                       
CONECT    3    2    4    8                                                  
CONECT    4    3    5                                                       
CONECT    5    4    6   10                                                  
CONECT    6    5    7                                                       
CONECT    7    6    8                                                       
CONECT    8    7    3    9                                                  
CONECT    9    8                                                            
CONECT   10    5   11   23                                                  
CONECT   11   10   12   13                                                  
CONECT   12   11                                                            
CONECT   13   11   14                                                       
CONECT   14   13   15   22                                                  
CONECT   15   14   16                                                       
CONECT   16   15   17   18                                                  
CONECT   17   16                                                            
CONECT   18   16   19                                                       
CONECT   19   18   20   22                                                  
CONECT   20   19   21                                                       
CONECT   21   20                                                            
CONECT   22   19   14   23                                                  
CONECT   23   22   10   24                                                  
CONECT   24   23                                                            
MASTER        0    0    0    0    0    0    0    0   24    0   52    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₁₇H₁₄O₇

Average Mass

330.2920 Da

Monoisotopic Mass

330.07395 Da

IUPAC Name

2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxy-4H-chromen-4-one

Traditional Name

2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one

CAS Registry Number

Not Available

SMILES

COC1=CC(=CC=C1O)C1=C(O)OC2=CC(O)=CC(OC)=C2C1=O

InChI Identifier

InChI=1S/C17H14O7/c1-22-11-5-8(3-4-10(11)19)14-16(20)15-12(23-2)6-9(18)7-13(15)24-17(14)21/h3-7,18-19,21H,1-2H3

InChI Key

CNYSDHVBPOWCMS-UHFFFAOYSA-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
Melanthera biflora	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as 3'-o-methylisoflavones. These are flavones with methoxy groups attached to the C2' atom of the isoflavone backbone.

Kingdom

Organic compounds

Super Class

Phenylpropanoids and polyketides

Class

Isoflavonoids

Sub Class

O-methylated isoflavonoids

Direct Parent

3'-O-methylisoflavones

Alternative Parents

Substituents

3p-methoxyisoflavone
Hydroxyisoflavonoid
Isoflavone
Chromone
Coumarin
Benzopyran
Methoxyphenol
1-benzopyran
Phenoxy compound
Anisole
Methoxybenzene
Phenol ether
1-hydroxy-2-unsubstituted benzenoid
Alkyl aryl ether
Phenol
Pyranone
Monocyclic benzene moiety
Benzenoid
Pyran
Vinylogous acid
Vinylogous ester
Heteroaromatic compound
Ether
Organoheterocyclic compound
Oxacycle
Organic oxygen compound
Organooxygen compound
Organic oxide
Hydrocarbon derivative
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	2.2	ALOGPS
logP	2.55	ChemAxon
logS	-3.7	ALOGPS
pKa (Strongest Acidic)	5.48	ChemAxon
pKa (Strongest Basic)	-4.6	ChemAxon
Physiological Charge	-1	ChemAxon
Hydrogen Acceptor Count	7	ChemAxon
Hydrogen Donor Count	3	ChemAxon
Polar Surface Area	105.45 Å²	ChemAxon
Rotatable Bond Count	3	ChemAxon
Refractivity	93.91 m³·mol⁻¹	ChemAxon
Polarizability	32.29 Å³	ChemAxon
Number of Rings	3	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	Yes	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

Not Available

Chemspider ID

Not Available

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

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References

General References

LOTUS database [Link]

Showing NP-Card for 2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one (NP0318082)

MOL for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

3D MOL for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

3D SDF for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

3D-SDF for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

PDB for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

3D PDB for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

SMILES for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

INCHI for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

Structure for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)

3D Structure for NP0318082 (2,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-5-methoxychromen-4-one)