NP-MRD: Showing NP-Card for (1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione (NP0238643)

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Record Information

Version

2.0

Created at

2022-09-06 22:04:05 UTC

Updated at

2022-09-06 22:04:05 UTC

NP-MRD ID

NP0238643

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione

Description

(13S,17aS)-5,7beta-Dihydroxy-7-methoxy-14,15beta-epoxy-4,17-dioxa-A,D-dihomomeliac-1-ene-3,6,16-trione belongs to the class of organic compounds known as limonoids. These are highly oxygenated, modified terpenoids with a prototypical structure either containing or derived from a precursor with a 4,4,8-trimethyl-17-furanylsteroid skeleton. All naturally occurring citrus limonoids contain a furan ring attached to the D-ring, at C-17, as well as oxygen containing functional groups at C-3, C-4, C-7, C-16 and C-17. (1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione is found in Harrisonia abyssinica and Harrisonia perforata. Based on a literature review very few articles have been published on (13S,17aS)-5,7beta-Dihydroxy-7-methoxy-14,15beta-epoxy-4,17-dioxa-A,D-dihomomeliac-1-ene-3,6,16-trione.

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv1652309072200042D          

 37 42  0  0  1  0            999 V2000
    1.7323    3.2488    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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M  END

     RDKit          3D

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M  END


  Mrv1652309072200042D          

 37 42  0  0  1  0            999 V2000
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  1  2  1  0  0  0  0
  3  2  1  6  0  0  0
  3  4  1  1  0  0  0
  3  5  1  0  0  0  0
  5  6  2  0  0  0  0
  5  7  1  0  0  0  0
  7  8  1  6  0  0  0
  7  9  1  0  0  0  0
  9 10  1  0  0  0  0
  9 11  1  0  0  0  0
  9 12  1  0  0  0  0
 12 13  1  0  0  0  0
 13 14  2  0  0  0  0
 13 15  1  0  0  0  0
 15 16  2  0  0  0  0
 16 17  1  0  0  0  0
  7 17  1  0  0  0  0
 17 18  1  1  0  0  0
 17 19  1  0  0  0  0
 19 20  1  1  0  0  0
 20 21  1  0  0  0  0
 21 22  1  0  0  0  0
 22 23  1  6  0  0  0
 22 24  1  0  0  0  0
 24 25  1  6  0  0  0
 25 26  1  0  0  0  0
 26 27  2  0  0  0  0
 27 28  1  0  0  0  0
 28 29  1  0  0  0  0
 25 29  2  0  0  0  0
 24 30  1  0  0  0  0
 30 31  1  0  0  0  0
 31 32  2  0  0  0  0
 31 33  1  0  0  0  0
 33 34  1  1  0  0  0
 35 34  1  1  0  0  0
 33 35  1  0  0  0  0
 22 35  1  0  0  0  0
 35 36  1  0  0  0  0
 19 36  1  0  0  0  0
  3 36  1  0  0  0  0
 36 37  1  1  0  0  0
M  END
> <DATABASE_ID>
NP0238643

> <DATABASE_NAME>
NP-MRD

> <SMILES>
CO[C@]1(O)C(=O)[C@]2(O)[C@](C)(C=CC(=O)OC2(C)C)[C@H]2CC[C@@]3(C)[C@@H](OC(=O)[C@H]4O[C@@]34[C@]12C)C1=COC=C1

> <INCHI_IDENTIFIER>
InChI=1S/C27H32O10/c1-21(2)25(31)20(30)27(32,33-6)24(5)15(22(25,3)11-8-16(28)36-21)7-10-23(4)17(14-9-12-34-13-14)35-19(29)18-26(23,24)37-18/h8-9,11-13,15,17-18,31-32H,7,10H2,1-6H3/t15-,17+,18-,22-,23+,24-,25-,26-,27-/m1/s1

> <INCHI_KEY>
LPZSEVFFEPAJNH-ZCMMNKCTSA-N

> <FORMULA>
C27H32O10

> <MOLECULAR_WEIGHT>
516.543

> <EXACT_MASS>
516.19954723

> <JCHEM_ACCEPTOR_COUNT>
7

> <JCHEM_ATOM_COUNT>
69

> <JCHEM_AVERAGE_POLARIZABILITY>
50.8980933607295

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
2

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
(1R,2R,4S,7R,8S,11R,12R,18S,20S)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0^{2,4}.0^{2,8}.0^{12,18}]icos-13-ene-5,15,19-trione

> <JCHEM_LOGP>
3.0032612593333323

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
6

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
11.610344718483217

> <JCHEM_PKA_STRONGEST_ACIDIC>
9.812174543661499

> <JCHEM_PKA_STRONGEST_BASIC>
-2.8587291982030743

> <JCHEM_POLAR_SURFACE_AREA>
145.03

> <JCHEM_REFRACTIVITY>
124.96130000000001

> <JCHEM_ROTATABLE_BOND_COUNT>
2

> <JCHEM_RULE_OF_FIVE>
0

> <JCHEM_TRADITIONAL_IUPAC>
(1R,2R,4S,7R,8S,11R,12R,18S,20S)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0^{2,4}.0^{2,8}.0^{12,18}]icos-13-ene-5,15,19-trione

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 07-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   07-SEP-22         0                                  
HETATM    1  C   UNK     0       3.234   6.064   0.000  0.00  0.00           C+0
HETATM    2  O   UNK     0       4.331   4.815   0.000  0.00  0.00           O+0
HETATM    3  C   UNK     0       4.838   2.849   0.000  0.00  0.00           C+0
HETATM    4  O   UNK     0       3.350   3.684   0.000  0.00  0.00           O+0
HETATM    5  C   UNK     0       6.346   3.158   0.000  0.00  0.00           C+0
HETATM    6  O   UNK     0       6.515   4.760   0.000  0.00  0.00           O+0
HETATM    7  C   UNK     0       7.368   2.006   0.000  0.00  0.00           C+0
HETATM    8  O   UNK     0       7.975   3.647   0.000  0.00  0.00           O+0
HETATM    9  C   UNK     0       8.814   2.536   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0       8.977   4.043   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0      10.308   3.326   0.000  0.00  0.00           C+0
HETATM   12  O   UNK     0      10.130   1.737   0.000  0.00  0.00           O+0
HETATM   13  C   UNK     0      10.326   0.209   0.000  0.00  0.00           C+0
HETATM   14  O   UNK     0      11.834  -0.343   0.000  0.00  0.00           O+0
HETATM   15  C   UNK     0       9.253  -0.896   0.000  0.00  0.00           C+0
HETATM   16  C   UNK     0       7.720  -0.747   0.000  0.00  0.00           C+0
HETATM   17  C   UNK     0       6.882   0.545   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0       6.317  -0.984   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0       5.373   0.236   0.000  0.00  0.00           C+0
HETATM   20  C   UNK     0       4.886  -1.225   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       3.378  -1.534   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       2.356  -0.382   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       2.051  -1.922   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0       0.847  -0.691   0.000  0.00  0.00           C+0
HETATM   25  C   UNK     0       0.360  -2.152   0.000  0.00  0.00           C+0
HETATM   26  C   UNK     0       1.256  -3.405   0.000  0.00  0.00           C+0
HETATM   27  C   UNK     0       0.342  -4.644   0.000  0.00  0.00           C+0
HETATM   28  O   UNK     0      -1.119  -4.157   0.000  0.00  0.00           O+0
HETATM   29  C   UNK     0      -1.108  -2.617   0.000  0.00  0.00           C+0
HETATM   30  O   UNK     0      -0.175   0.461   0.000  0.00  0.00           O+0
HETATM   31  C   UNK     0       0.312   1.922   0.000  0.00  0.00           C+0
HETATM   32  O   UNK     0      -0.917   2.956   0.000  0.00  0.00           O+0
HETATM   33  C   UNK     0       1.820   2.231   0.000  0.00  0.00           C+0
HETATM   34  O   UNK     0       3.981   2.501   0.000  0.00  0.00           O+0
HETATM   35  C   UNK     0       2.842   1.079   0.000  0.00  0.00           C+0
HETATM   36  C   UNK     0       4.351   1.388   0.000  0.00  0.00           C+0
HETATM   37  C   UNK     0       2.960   2.584   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3                                                       
CONECT    3    2    4    5   36                                             
CONECT    4    3                                                            
CONECT    5    3    6    7                                                  
CONECT    6    5                                                            
CONECT    7    5    8    9   17                                             
CONECT    8    7                                                            
CONECT    9    7   10   11   12                                             
CONECT   10    9                                                            
CONECT   11    9                                                            
CONECT   12    9   13                                                       
CONECT   13   12   14   15                                                  
CONECT   14   13                                                            
CONECT   15   13   16                                                       
CONECT   16   15   17                                                       
CONECT   17   16    7   18   19                                             
CONECT   18   17                                                            
CONECT   19   17   20   36                                                  
CONECT   20   19   21                                                       
CONECT   21   20   22                                                       
CONECT   22   21   23   24   35                                             
CONECT   23   22                                                            
CONECT   24   22   25   30                                                  
CONECT   25   24   26   29                                                  
CONECT   26   25   27                                                       
CONECT   27   26   28                                                       
CONECT   28   27   29                                                       
CONECT   29   28   25                                                       
CONECT   30   24   31                                                       
CONECT   31   30   32   33                                                  
CONECT   32   31                                                            
CONECT   33   31   34   35                                                  
CONECT   34   33   35                                                       
CONECT   35   34   33   22   36                                             
CONECT   36   35   19    3   37                                             
CONECT   37   36                                                            
MASTER        0    0    0    0    0    0    0    0   37    0   84    0
END

View in JSmol

Synonyms

Value	Source
(13S,17AS)-5,7b-dihydroxy-7-methoxy-14,15b-epoxy-4,17-dioxa-a,D-dihomomeliac-1-ene-3,6,16-trione	Generator
(13S,17AS)-5,7β-dihydroxy-7-methoxy-14,15β-epoxy-4,17-dioxa-a,D-dihomomeliac-1-ene-3,6,16-trione	Generator

Chemical Formula

C₂₇H₃₂O₁₀

Average Mass

516.5430 Da

Monoisotopic Mass

516.19955 Da

IUPAC Name

(1R,2R,4S,7R,8S,11R,12R,18S,20S)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0^{2,4}.0^{2,8}.0^{12,18}]icos-13-ene-5,15,19-trione

Traditional Name

(1R,2R,4S,7R,8S,11R,12R,18S,20S)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0^{2,4}.0^{2,8}.0^{12,18}]icos-13-ene-5,15,19-trione

CAS Registry Number

Not Available

SMILES

CO[C@]1(O)C(=O)[C@]2(O)[C@](C)(C=CC(=O)OC2(C)C)[C@H]2CC[C@@]3(C)[C@@H](OC(=O)[C@H]4O[C@@]34[C@]12C)C1=COC=C1

InChI Identifier

InChI=1S/C27H32O10/c1-21(2)25(31)20(30)27(32,33-6)24(5)15(22(25,3)11-8-16(28)36-21)7-10-23(4)17(14-9-12-34-13-14)35-19(29)18-26(23,24)37-18/h8-9,11-13,15,17-18,31-32H,7,10H2,1-6H3/t15-,17+,18-,22-,23+,24-,25-,26-,27-/m1/s1

InChI Key

LPZSEVFFEPAJNH-ZCMMNKCTSA-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
Harrisonia abyssinica	LOTUS Database	35616633
Harrisonia perforata	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as limonoids. These are highly oxygenated, modified terpenoids with a prototypical structure either containing or derived from a precursor with a 4,4,8-trimethyl-17-furanylsteroid skeleton. All naturally occurring citrus limonoids contain a furan ring attached to the D-ring, at C-17, as well as oxygen containing functional groups at C-3, C-4, C-7, C-16 and C-17.

Kingdom

Organic compounds

Super Class

Lipids and lipid-like molecules

Class

Prenol lipids

Sub Class

Triterpenoids

Direct Parent

Limonoids

Alternative Parents

Substituents

Limonoid skeleton
Naphthopyran
Naphthalene
1,4-dioxepane
Delta valerolactone
Dioxepane
Delta_valerolactone
Dicarboxylic acid or derivatives
Oxane
Pyran
Cyclic alcohol
Heteroaromatic compound
Furan
Alpha,beta-unsaturated carboxylic ester
Enoate ester
Tertiary alcohol
Carboxylic acid ester
Ketone
Hemiacetal
Lactone
Oxacycle
Carboxylic acid derivative
Organoheterocyclic compound
Dialkyl ether
Oxirane
Ether
Organic oxygen compound
Organic oxide
Carbonyl group
Hydrocarbon derivative
Alcohol
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	3	ChemAxon
pKa (Strongest Acidic)	9.81	ChemAxon
pKa (Strongest Basic)	-2.9	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	7	ChemAxon
Hydrogen Donor Count	2	ChemAxon
Polar Surface Area	145.03 Å²	ChemAxon
Rotatable Bond Count	2	ChemAxon
Refractivity	124.96 m³·mol⁻¹	ChemAxon
Polarizability	50.9 Å³	ChemAxon
Number of Rings	6	ChemAxon
Bioavailability	Yes	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

Not Available

Chemspider ID

Not Available

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

101149685

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for (1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione (NP0238643)

MOL for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

3D MOL for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

3D SDF for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

3D-SDF for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

PDB for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

3D PDB for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

SMILES for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

INCHI for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

Structure for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)

3D Structure for NP0238643 ((1r,2r,4s,7s,8s,11r,12r,18s,20s)-7-(furan-3-yl)-18,20-dihydroxy-20-methoxy-1,8,12,17,17-pentamethyl-3,6,16-trioxapentacyclo[9.9.0.0²,⁴.0²,⁸.0¹²,¹⁸]icos-13-ene-5,15,19-trione)