NP-MRD: Showing NP-Card for (1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate (NP0291080)

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Record Information

Version

2.0

Created at

2022-09-09 22:02:29 UTC

Updated at

2022-09-09 22:02:30 UTC

NP-MRD ID

NP0291080

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate

Description

Isonimocinolide 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,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate is found in Azadirachta indica. (1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate was first documented in 1991 (PMID: 16414684). Based on a literature review very few articles have been published on Isonimocinolide.

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv1652309102200022D          

 35 39  0  0  1  0            999 V2000
    3.3736   -5.2160    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    1.4978   -4.0998    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
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 34 35  1  1  0  0  0
M  END

     RDKit          3D

 71 75  0  0  0  0  0  0  0  0999 V2000
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M  END


  Mrv1652309102200022D          

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  8  6  1  1  0  0  0
  8  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  2  0  0  0  0
 12 14  1  0  0  0  0
 14 15  2  0  0  0  0
 15 16  1  0  0  0  0
  8 16  1  0  0  0  0
 16 17  1  1  0  0  0
 16 18  1  0  0  0  0
 18 19  1  1  0  0  0
 19 20  1  0  0  0  0
 20 21  1  0  0  0  0
 21 22  1  6  0  0  0
 21 23  1  0  0  0  0
 23 24  2  0  0  0  0
 24 25  1  0  0  0  0
 25 26  1  0  0  0  0
 21 26  1  0  0  0  0
 26 27  1  6  0  0  0
 27 28  2  0  0  0  0
 28 29  1  0  0  0  0
 29 30  2  0  0  0  0
 29 31  1  0  0  0  0
 31 32  1  0  0  0  0
 27 32  1  0  0  0  0
 32 33  1  0  0  0  0
 23 34  1  0  0  0  0
  5 34  1  0  0  0  0
 18 34  1  0  0  0  0
 34 35  1  1  0  0  0
M  END
> <DATABASE_ID>
NP0291080

> <DATABASE_NAME>
NP-MRD

> <SMILES>
CC(=O)O[C@@H]1[C@H](O)[C@H]2C(C)(C)C(=O)C=C[C@]2(C)[C@H]2CC[C@@]3(C)[C@@H](CC=C3[C@]12C)C1=CC(=O)OC1O

> <INCHI_IDENTIFIER>
InChI=1S/C28H36O7/c1-14(29)34-23-21(32)22-25(2,3)19(30)10-12-27(22,5)18-9-11-26(4)16(7-8-17(26)28(18,23)6)15-13-20(31)35-24(15)33/h8,10,12-13,16,18,21-24,32-33H,7,9,11H2,1-6H3/t16-,18+,21+,22-,23+,24?,26-,27+,28-/m0/s1

> <INCHI_KEY>
UFRCPJTWTQCCQS-JAYQUEHYSA-N

> <FORMULA>
C28H36O7

> <MOLECULAR_WEIGHT>
484.589

> <EXACT_MASS>
484.246103499

> <JCHEM_ACCEPTOR_COUNT>
5

> <JCHEM_ATOM_COUNT>
71

> <JCHEM_AVERAGE_POLARIZABILITY>
51.62497476326573

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
2

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
(1R,2R,7R,8R,9S,10R,14R,15S)-8-hydroxy-14-(2-hydroxy-5-oxo-2,5-dihydrofuran-3-yl)-2,6,6,10,15-pentamethyl-5-oxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-3,11-dien-9-yl acetate

> <JCHEM_LOGP>
3.196633656999999

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
5

> <JCHEM_PHYSIOLOGICAL_CHARGE>
-1

> <JCHEM_PKA>
11.778731604588577

> <JCHEM_PKA_STRONGEST_ACIDIC>
6.935531384235

> <JCHEM_PKA_STRONGEST_BASIC>
-3.3054202160430455

> <JCHEM_POLAR_SURFACE_AREA>
110.13000000000001

> <JCHEM_REFRACTIVITY>
129.6367

> <JCHEM_ROTATABLE_BOND_COUNT>
3

> <JCHEM_RULE_OF_FIVE>
1

> <JCHEM_TRADITIONAL_IUPAC>
(1R,2R,7R,8R,9S,10R,14R,15S)-8-hydroxy-14-(2-hydroxy-5-oxo-2H-furan-3-yl)-2,6,6,10,15-pentamethyl-5-oxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-3,11-dien-9-yl acetate

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 10-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   10-SEP-22         0                                  
HETATM    1  C   UNK     0       6.297  -9.737   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0       5.305  -8.559   0.000  0.00  0.00           C+0
HETATM    3  O   UNK     0       3.789  -8.830   0.000  0.00  0.00           O+0
HETATM    4  O   UNK     0       5.828  -7.111   0.000  0.00  0.00           O+0
HETATM    5  C   UNK     0       4.835  -5.934   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       3.319  -6.205   0.000  0.00  0.00           C+0
HETATM    7  O   UNK     0       2.796  -7.653   0.000  0.00  0.00           O+0
HETATM    8  C   UNK     0       2.326  -5.027   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0       0.810  -5.298   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0       1.341  -6.744   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0      -0.521  -6.072   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0      -0.182  -4.121   0.000  0.00  0.00           C+0
HETATM   13  O   UNK     0      -1.698  -4.392   0.000  0.00  0.00           O+0
HETATM   14  C   UNK     0       0.341  -2.673   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       1.857  -2.402   0.000  0.00  0.00           C+0
HETATM   16  C   UNK     0       2.850  -3.579   0.000  0.00  0.00           C+0
HETATM   17  C   UNK     0       3.373  -2.131   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0       4.366  -3.308   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0       4.889  -1.859   0.000  0.00  0.00           C+0
HETATM   20  C   UNK     0       6.405  -1.588   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       7.398  -2.766   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       8.069  -1.380   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       6.874  -4.214   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0       8.090  -5.159   0.000  0.00  0.00           C+0
HETATM   25  C   UNK     0       9.365  -4.295   0.000  0.00  0.00           C+0
HETATM   26  C   UNK     0       8.937  -2.816   0.000  0.00  0.00           C+0
HETATM   27  C   UNK     0       9.882  -1.600   0.000  0.00  0.00           C+0
HETATM   28  C   UNK     0       9.454  -0.121   0.000  0.00  0.00           C+0
HETATM   29  C   UNK     0      10.728   0.744   0.000  0.00  0.00           C+0
HETATM   30  O   UNK     0      10.779   2.283   0.000  0.00  0.00           O+0
HETATM   31  O   UNK     0      11.944  -0.202   0.000  0.00  0.00           O+0
HETATM   32  C   UNK     0      11.421  -1.650   0.000  0.00  0.00           C+0
HETATM   33  O   UNK     0      12.285  -2.925   0.000  0.00  0.00           O+0
HETATM   34  C   UNK     0       5.358  -4.485   0.000  0.00  0.00           C+0
HETATM   35  C   UNK     0       6.351  -5.663   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3    4                                                  
CONECT    3    2                                                            
CONECT    4    2    5                                                       
CONECT    5    4    6   34                                                  
CONECT    6    5    7    8                                                  
CONECT    7    6                                                            
CONECT    8    6    9   16                                                  
CONECT    9    8   10   11   12                                             
CONECT   10    9                                                            
CONECT   11    9                                                            
CONECT   12    9   13   14                                                  
CONECT   13   12                                                            
CONECT   14   12   15                                                       
CONECT   15   14   16                                                       
CONECT   16   15    8   17   18                                             
CONECT   17   16                                                            
CONECT   18   16   19   34                                                  
CONECT   19   18   20                                                       
CONECT   20   19   21                                                       
CONECT   21   20   22   23   26                                             
CONECT   22   21                                                            
CONECT   23   21   24   34                                                  
CONECT   24   23   25                                                       
CONECT   25   24   26                                                       
CONECT   26   25   21   27                                                  
CONECT   27   26   28   32                                                  
CONECT   28   27   29                                                       
CONECT   29   28   30   31                                                  
CONECT   30   29                                                            
CONECT   31   29   32                                                       
CONECT   32   31   27   33                                                  
CONECT   33   32                                                            
CONECT   34   23    5   18   35                                             
CONECT   35   34                                                            
MASTER        0    0    0    0    0    0    0    0   35    0   78    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₂₈H₃₆O₇

Average Mass

484.5890 Da

Monoisotopic Mass

484.24610 Da

IUPAC Name

(1R,2R,7R,8R,9S,10R,14R,15S)-8-hydroxy-14-(2-hydroxy-5-oxo-2,5-dihydrofuran-3-yl)-2,6,6,10,15-pentamethyl-5-oxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-3,11-dien-9-yl acetate

Traditional Name

(1R,2R,7R,8R,9S,10R,14R,15S)-8-hydroxy-14-(2-hydroxy-5-oxo-2H-furan-3-yl)-2,6,6,10,15-pentamethyl-5-oxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-3,11-dien-9-yl acetate

CAS Registry Number

Not Available

SMILES

CC(=O)O[C@@H]1[C@H](O)[C@H]2C(C)(C)C(=O)C=C[C@]2(C)[C@H]2CC[C@@]3(C)[C@@H](CC=C3[C@]12C)C1=CC(=O)OC1O

InChI Identifier

InChI=1S/C28H36O7/c1-14(29)34-23-21(32)22-25(2,3)19(30)10-12-27(22,5)18-9-11-26(4)16(7-8-17(26)28(18,23)6)15-13-20(31)35-24(15)33/h8,10,12-13,16,18,21-24,32-33H,7,9,11H2,1-6H3/t16-,18+,21+,22-,23+,24?,26-,27+,28-/m0/s1

InChI Key

UFRCPJTWTQCCQS-JAYQUEHYSA-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
Azadirachta indica	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
Steroid lactone
Steroid ester
3-oxo-5-alpha-steroid
Oxosteroid
Hydroxysteroid
6-hydroxysteroid
3-oxosteroid
3-oxo-delta-1-steroid
Steroid
Delta-1-steroid
Cyclohexenone
Dicarboxylic acid or derivatives
2-furanone
Alpha,beta-unsaturated carboxylic ester
Enoate ester
Dihydrofuran
Cyclic alcohol
Cyclic ketone
Secondary alcohol
Lactone
Ketone
Hemiacetal
Carboxylic acid ester
Oxacycle
Organoheterocyclic compound
Carboxylic acid derivative
Organic oxygen compound
Organic oxide
Hydrocarbon derivative
Organooxygen compound
Carbonyl group
Alcohol
Aliphatic heteropolycyclic compound

Molecular Framework

Aliphatic 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	3.2	ChemAxon
pKa (Strongest Acidic)	6.94	ChemAxon
pKa (Strongest Basic)	-3.3	ChemAxon
Physiological Charge	-1	ChemAxon
Hydrogen Acceptor Count	5	ChemAxon
Hydrogen Donor Count	2	ChemAxon
Polar Surface Area	110.13 Å²	ChemAxon
Rotatable Bond Count	3	ChemAxon
Refractivity	129.64 m³·mol⁻¹	ChemAxon
Polarizability	51.62 Å³	ChemAxon
Number of Rings	5	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	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

76900263

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

Naqvi SN, Ahmed SO, Mohammad FA: Toxicity and IGR effect of two new neem products against Aedes aegypti (PCSIR strain). Pak J Pharm Sci. 1991 Jan;4(1):71-6. [PubMed:16414684 ]
LOTUS database [Link]

Showing NP-Card for (1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate (NP0291080)

MOL for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

3D MOL for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

3D SDF for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

3D-SDF for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

PDB for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

3D PDB for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

SMILES for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

INCHI for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

Structure for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)

3D Structure for NP0291080 ((1r,3br,4s,5r,5ar,9ar,9br,11as)-5-hydroxy-1-(2-hydroxy-5-oxo-2h-furan-3-yl)-3b,6,6,9a,11a-pentamethyl-7-oxo-1h,2h,4h,5h,5ah,9bh,10h,11h-cyclopenta[a]phenanthren-4-yl acetate)