NP-MRD: Showing NP-Card for (1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one (NP0275787)

Jump To Section:

Identification Spectra BioTaxonomy ChemoTaxonomy Physical properties Links References XML

Record Information

Version

2.0

Created at

2022-09-08 23:38:57 UTC

Updated at

2022-09-08 23:38:58 UTC

NP-MRD ID

NP0275787

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one

Description

570-90-1 Belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core. (1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one is found in Acanthella cavernosa and Hypnea musciformis. Based on a literature review very few articles have been published on 570-90-1.

Structure

MOL SDF PDB SMILES InChI


  Mrv1652309092201382D          

 29 32  0  0  1  0            999 V2000
    6.9960   -2.0886    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.7104   -2.5011    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.7104   -3.3261    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    8.4249   -2.0886    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.1394   -2.5011    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.8538   -2.0886    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.5683   -2.5011    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   10.5683   -3.3261    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   11.2828   -2.0886    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   11.3690   -1.2682    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.1760   -1.0966    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.5885   -1.8111    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   13.3955   -1.9826    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
   13.9475   -1.3695    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   14.7545   -1.5411    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
   15.3065   -0.9280    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   15.0094   -2.3257    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   15.8164   -2.4972    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   16.0713   -3.2818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   16.8783   -3.4534    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   15.5193   -3.8949    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   14.7123   -3.7234    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   14.4574   -2.9388    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   13.9053   -3.5519    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   13.6504   -2.7673    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   13.0984   -3.3803    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.2914   -3.2088    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.0365   -2.4242    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
   11.4234   -2.9762    0.0000 C   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
  2  4  1  0  0  0  0
  4  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  6  0  0  0
  9  7  1  1  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 12 11  1  1  0  0  0
 12 13  1  0  0  0  0
 13 14  1  6  0  0  0
 14 15  1  0  0  0  0
 15 16  1  6  0  0  0
 15 17  1  0  0  0  0
 17 18  2  0  0  0  0
 18 19  1  0  0  0  0
 19 20  2  0  0  0  0
 19 21  1  0  0  0  0
 21 22  1  0  0  0  0
 22 23  1  0  0  0  0
 17 23  1  0  0  0  0
 23 24  1  1  0  0  0
 23 25  1  0  0  0  0
 13 25  1  0  0  0  0
 25 26  1  1  0  0  0
 26 27  1  0  0  0  0
 27 28  1  0  0  0  0
 12 28  1  0  0  0  0
  9 28  1  0  0  0  0
 28 29  1  1  0  0  0
M  END


  Mrv1652309092201382D          

 29 32  0  0  1  0            999 V2000
    6.9960   -2.0886    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.7104   -2.5011    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.7104   -3.3261    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    8.4249   -2.0886    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.1394   -2.5011    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.8538   -2.0886    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.5683   -2.5011    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   10.5683   -3.3261    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   11.2828   -2.0886    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   11.3690   -1.2682    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.1760   -1.0966    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.5885   -1.8111    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   13.3955   -1.9826    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
   13.9475   -1.3695    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   14.7545   -1.5411    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
   15.3065   -0.9280    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   15.0094   -2.3257    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   15.8164   -2.4972    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   16.0713   -3.2818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   16.8783   -3.4534    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   15.5193   -3.8949    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   14.7123   -3.7234    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   14.4574   -2.9388    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   13.9053   -3.5519    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   13.6504   -2.7673    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   13.0984   -3.3803    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.2914   -3.2088    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   12.0365   -2.4242    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
   11.4234   -2.9762    0.0000 C   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
  2  4  1  0  0  0  0
  4  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  6  0  0  0
  9  7  1  1  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 12 11  1  1  0  0  0
 12 13  1  0  0  0  0
 13 14  1  6  0  0  0
 14 15  1  0  0  0  0
 15 16  1  6  0  0  0
 15 17  1  0  0  0  0
 17 18  2  0  0  0  0
 18 19  1  0  0  0  0
 19 20  2  0  0  0  0
 19 21  1  0  0  0  0
 21 22  1  0  0  0  0
 22 23  1  0  0  0  0
 17 23  1  0  0  0  0
 23 24  1  1  0  0  0
 23 25  1  0  0  0  0
 13 25  1  0  0  0  0
 25 26  1  1  0  0  0
 26 27  1  0  0  0  0
 27 28  1  0  0  0  0
 12 28  1  0  0  0  0
  9 28  1  0  0  0  0
 28 29  1  1  0  0  0
M  END
> <DATABASE_ID>
NP0275787

> <DATABASE_NAME>
NP-MRD

> <SMILES>
CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3C[C@H](O)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C

> <INCHI_IDENTIFIER>
InChI=1S/C27H44O2/c1-17(2)7-6-8-18(3)21-9-10-22-20-16-25(29)24-15-19(28)11-13-27(24,5)23(20)12-14-26(21,22)4/h15,17-18,20-23,25,29H,6-14,16H2,1-5H3/t18-,20+,21-,22+,23+,25+,26-,27-/m1/s1

> <INCHI_KEY>
VUCDSTCRVYGRSG-FQIKLQBFSA-N

> <FORMULA>
C27H44O2

> <MOLECULAR_WEIGHT>
400.647

> <EXACT_MASS>
400.334130657

> <JCHEM_ACCEPTOR_COUNT>
2

> <JCHEM_ATOM_COUNT>
73

> <JCHEM_AVERAGE_POLARIZABILITY>
50.5838066366254

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
1

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
(1S,2R,8S,10S,11S,14R,15R)-8-hydroxy-2,15-dimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one

> <JCHEM_LOGP>
6.449323911666665

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
4

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
19.593215893531458

> <JCHEM_PKA_STRONGEST_ACIDIC>
14.545774218733683

> <JCHEM_PKA_STRONGEST_BASIC>
-2.9974734176394477

> <JCHEM_POLAR_SURFACE_AREA>
37.3

> <JCHEM_REFRACTIVITY>
121.08059999999996

> <JCHEM_ROTATABLE_BOND_COUNT>
5

> <JCHEM_RULE_OF_FIVE>
0

> <JCHEM_TRADITIONAL_IUPAC>
(1S,2R,8S,10S,11S,14R,15R)-8-hydroxy-2,15-dimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one

> <JCHEM_VEBER_RULE>
1

$$$$

HEADER    PROTEIN                                 09-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   09-SEP-22         0                                  
HETATM    1  C   UNK     0      13.059  -3.899   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0      14.393  -4.669   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0      14.393  -6.209   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0      15.726  -3.899   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0      17.060  -4.669   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0      18.394  -3.899   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0      19.728  -4.669   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0      19.728  -6.209   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0      21.061  -3.899   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0      21.222  -2.367   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0      22.729  -2.047   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0      23.499  -3.381   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0      25.005  -3.701   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0      26.035  -2.556   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0      27.542  -2.877   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0      28.572  -1.732   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0      28.018  -4.341   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0      29.524  -4.661   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0      30.000  -6.126   0.000  0.00  0.00           C+0
HETATM   20  O   UNK     0      31.506  -6.446   0.000  0.00  0.00           O+0
HETATM   21  C   UNK     0      28.969  -7.271   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0      27.463  -6.950   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0      26.987  -5.486   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0      25.957  -6.630   0.000  0.00  0.00           C+0
HETATM   25  C   UNK     0      25.481  -5.166   0.000  0.00  0.00           C+0
HETATM   26  C   UNK     0      24.450  -6.310   0.000  0.00  0.00           C+0
HETATM   27  C   UNK     0      22.944  -5.990   0.000  0.00  0.00           C+0
HETATM   28  C   UNK     0      22.468  -4.525   0.000  0.00  0.00           C+0
HETATM   29  C   UNK     0      21.324  -5.556   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                                                       
CONECT    6    5    7                                                       
CONECT    7    6    8    9                                                  
CONECT    8    7                                                            
CONECT    9    7   10   28                                                  
CONECT   10    9   11                                                       
CONECT   11   10   12                                                       
CONECT   12   11   13   28                                                  
CONECT   13   12   14   25                                                  
CONECT   14   13   15                                                       
CONECT   15   14   16   17                                                  
CONECT   16   15                                                            
CONECT   17   15   18   23                                                  
CONECT   18   17   19                                                       
CONECT   19   18   20   21                                                  
CONECT   20   19                                                            
CONECT   21   19   22                                                       
CONECT   22   21   23                                                       
CONECT   23   22   17   24   25                                             
CONECT   24   23                                                            
CONECT   25   23   13   26                                                  
CONECT   26   25   27                                                       
CONECT   27   26   28                                                       
CONECT   28   27   12    9   29                                             
CONECT   29   28                                                            
MASTER        0    0    0    0    0    0    0    0   29    0   64    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₂₇H₄₄O₂

Average Mass

400.6470 Da

Monoisotopic Mass

400.33413 Da

IUPAC Name

(1S,2R,8S,10S,11S,14R,15R)-8-hydroxy-2,15-dimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one

Traditional Name

(1S,2R,8S,10S,11S,14R,15R)-8-hydroxy-2,15-dimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one

CAS Registry Number

Not Available

SMILES

CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3C[C@H](O)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C

InChI Identifier

InChI=1S/C27H44O2/c1-17(2)7-6-8-18(3)21-9-10-22-20-16-25(29)24-15-19(28)11-13-27(24,5)23(20)12-14-26(21,22)4/h15,17-18,20-23,25,29H,6-14,16H2,1-5H3/t18-,20+,21-,22+,23+,25+,26-,27-/m1/s1

InChI Key

VUCDSTCRVYGRSG-FQIKLQBFSA-N

Experimental Spectra

Not Available

Predicted Spectra

Not Available

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Acanthella cavernosa	LOTUS Database	35616633
Hypnea musciformis	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core.

Kingdom

Organic compounds

Super Class

Lipids and lipid-like molecules

Class

Steroids and steroid derivatives

Sub Class

Cholestane steroids

Direct Parent

Cholesterols and derivatives

Alternative Parents

Substituents

Cholesterol-skeleton
3-oxo-delta-4-steroid
3-oxosteroid
Oxosteroid
6-hydroxysteroid
Hydroxysteroid
Delta-4-steroid
Cyclohexenone
Cyclic alcohol
Cyclic ketone
Secondary alcohol
Ketone
Organic oxygen compound
Hydrocarbon derivative
Carbonyl group
Organic oxide
Organooxygen compound
Alcohol
Aliphatic homopolycyclic compound

Molecular Framework

Aliphatic homopolycyclic 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	6.45	ChemAxon
pKa (Strongest Acidic)	14.55	ChemAxon
pKa (Strongest Basic)	-3	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	2	ChemAxon
Hydrogen Donor Count	1	ChemAxon
Polar Surface Area	37.3 Å²	ChemAxon
Rotatable Bond Count	5	ChemAxon
Refractivity	121.08 m³·mol⁻¹	ChemAxon
Polarizability	50.58 Å³	ChemAxon
Number of Rings	4	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	No	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	Yes	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

10263603

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

13285140

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for (1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one (NP0275787)

MOL for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

3D MOL for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

3D SDF for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

3D-SDF for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

PDB for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

3D PDB for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

SMILES for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

INCHI for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

Structure for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)

3D Structure for NP0275787 ((1r,3as,3bs,5s,9ar,9bs,11ar)-5-hydroxy-9a,11a-dimethyl-1-[(2r)-6-methylheptan-2-yl]-1h,2h,3h,3ah,3bh,4h,5h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-one)