NP-MRD: Showing NP-Card for methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate (NP0245542)

Jump To Section:

Identification Spectra BioTaxonomy ChemoTaxonomy Physical properties Links References XML

Record Information

Version

2.0

Created at

2022-09-07 06:39:43 UTC

Updated at

2022-09-07 06:39:43 UTC

NP-MRD ID

NP0245542

Secondary Accession Numbers

None

Natural Product Identification

Common Name

methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate

Description

Methyl (1R,4aS,5R,7R,8S,9R,10aR)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydrophenanthrene-1-carboxylate belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four isoprene units. methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate is found in Lycopus europaeus. Based on a literature review very few articles have been published on methyl (1R,4aS,5R,7R,8S,9R,10aR)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydrophenanthrene-1-carboxylate.

Structure

MOL SDF PDB SMILES InChI


  Mrv1652309072208392D          

 29 31  0  0  1  0            999 V2000
    5.4217    0.1644    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6465   -0.1178    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0145    0.4125    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.6465    0.9428    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6020   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7770   -0.3020    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    2.3645   -1.0164    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.3645    0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7770    1.1270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6020    1.1270    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.0145    1.8414    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.3645    1.8414    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    2.7770    2.5559    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.3645    3.2704    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5395    3.2704    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7770    3.9849    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.5395    1.8414    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1270    1.1270    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    1.5395    0.4125    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    1.9520   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1270   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3020   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1105    0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3020    1.1270    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    0.2732    1.9515    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3977    1.5642    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3689    2.3887    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1261    1.1768    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1549    0.3523    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  3  2  1  1  0  0  0
  3  4  1  6  0  0  0
  3  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  1  1  0  0  0
  6  8  1  0  0  0  0
  8  9  2  0  0  0  0
  9 10  1  0  0  0  0
  3 10  1  0  0  0  0
 10 11  1  1  0  0  0
  9 12  1  0  0  0  0
 12 13  1  1  0  0  0
 13 14  1  0  0  0  0
 14 15  1  0  0  0  0
 14 16  2  0  0  0  0
 12 17  1  0  0  0  0
 18 17  1  6  0  0  0
 18 19  1  0  0  0  0
  8 19  1  0  0  0  0
 19 20  1  6  0  0  0
 19 21  1  0  0  0  0
 21 22  1  0  0  0  0
 22 23  1  0  0  0  0
 23 24  1  0  0  0  0
 18 24  1  0  0  0  0
 24 25  1  6  0  0  0
 24 26  1  1  0  0  0
 26 27  2  0  0  0  0
 26 28  1  0  0  0  0
 28 29  1  0  0  0  0
M  END


  Mrv1652309072208392D          

 29 31  0  0  1  0            999 V2000
    5.4217    0.1644    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6465   -0.1178    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0145    0.4125    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.6465    0.9428    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6020   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7770   -0.3020    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    2.3645   -1.0164    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.3645    0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7770    1.1270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6020    1.1270    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.0145    1.8414    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.3645    1.8414    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    2.7770    2.5559    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.3645    3.2704    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5395    3.2704    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7770    3.9849    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.5395    1.8414    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1270    1.1270    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    1.5395    0.4125    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    1.9520   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1270   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3020   -0.3020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1105    0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3020    1.1270    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    0.2732    1.9515    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3977    1.5642    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3689    2.3887    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1261    1.1768    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1549    0.3523    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  3  2  1  1  0  0  0
  3  4  1  6  0  0  0
  3  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  1  1  0  0  0
  6  8  1  0  0  0  0
  8  9  2  0  0  0  0
  9 10  1  0  0  0  0
  3 10  1  0  0  0  0
 10 11  1  1  0  0  0
  9 12  1  0  0  0  0
 12 13  1  1  0  0  0
 13 14  1  0  0  0  0
 14 15  1  0  0  0  0
 14 16  2  0  0  0  0
 12 17  1  0  0  0  0
 18 17  1  6  0  0  0
 18 19  1  0  0  0  0
  8 19  1  0  0  0  0
 19 20  1  6  0  0  0
 19 21  1  0  0  0  0
 21 22  1  0  0  0  0
 22 23  1  0  0  0  0
 23 24  1  0  0  0  0
 18 24  1  0  0  0  0
 24 25  1  6  0  0  0
 24 26  1  1  0  0  0
 26 27  2  0  0  0  0
 26 28  1  0  0  0  0
 28 29  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0245542

> <DATABASE_NAME>
NP-MRD

> <SMILES>
COC(=O)[C@]1(C)CCC[C@@]2(C)[C@H]1C[C@@H](OC(C)=O)C1=C2[C@H](O)C[C@](C)(C=C)[C@@H]1O

> <INCHI_IDENTIFIER>
InChI=1S/C23H34O6/c1-7-21(3)12-14(25)18-17(19(21)26)15(29-13(2)24)11-16-22(18,4)9-8-10-23(16,5)20(27)28-6/h7,14-16,19,25-26H,1,8-12H2,2-6H3/t14-,15-,16-,19-,21+,22+,23-/m1/s1

> <INCHI_KEY>
FRAHTHJEPSSXBM-AURODPEVSA-N

> <FORMULA>
C23H34O6

> <MOLECULAR_WEIGHT>
406.519

> <EXACT_MASS>
406.235538815

> <JCHEM_ACCEPTOR_COUNT>
4

> <JCHEM_ATOM_COUNT>
63

> <JCHEM_AVERAGE_POLARIZABILITY>
44.335401397093996

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
2

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
methyl (1R,4aS,5R,7R,8S,9R,10aR)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydrophenanthrene-1-carboxylate

> <JCHEM_LOGP>
2.0740204796666655

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
3

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
14.663218159203439

> <JCHEM_PKA_STRONGEST_ACIDIC>
13.882800634708708

> <JCHEM_PKA_STRONGEST_BASIC>
-3.0041324013797066

> <JCHEM_POLAR_SURFACE_AREA>
93.05999999999999

> <JCHEM_REFRACTIVITY>
108.38130000000001

> <JCHEM_ROTATABLE_BOND_COUNT>
5

> <JCHEM_RULE_OF_FIVE>
1

> <JCHEM_TRADITIONAL_IUPAC>
methyl (1R,4aS,5R,7R,8S,9R,10aR)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2H-phenanthrene-1-carboxylate

> <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      10.121   0.307   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0       8.673  -0.220   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0       7.494   0.770   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0       8.673   1.760   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       6.724  -0.564   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       5.184  -0.564   0.000  0.00  0.00           C+0
HETATM    7  O   UNK     0       4.414  -1.897   0.000  0.00  0.00           O+0
HETATM    8  C   UNK     0       4.414   0.770   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0       5.184   2.104   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0       6.724   2.104   0.000  0.00  0.00           C+0
HETATM   11  O   UNK     0       7.494   3.437   0.000  0.00  0.00           O+0
HETATM   12  C   UNK     0       4.414   3.437   0.000  0.00  0.00           C+0
HETATM   13  O   UNK     0       5.184   4.771   0.000  0.00  0.00           O+0
HETATM   14  C   UNK     0       4.414   6.105   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       2.874   6.105   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0       5.184   7.438   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       2.874   3.437   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0       2.104   2.104   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0       2.874   0.770   0.000  0.00  0.00           C+0
HETATM   20  C   UNK     0       3.644  -0.564   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       2.104  -0.564   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       0.564  -0.564   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0      -0.206   0.770   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0       0.564   2.104   0.000  0.00  0.00           C+0
HETATM   25  C   UNK     0       0.510   3.643   0.000  0.00  0.00           C+0
HETATM   26  C   UNK     0      -0.742   2.920   0.000  0.00  0.00           C+0
HETATM   27  O   UNK     0      -0.689   4.459   0.000  0.00  0.00           O+0
HETATM   28  O   UNK     0      -2.102   2.197   0.000  0.00  0.00           O+0
HETATM   29  C   UNK     0      -2.156   0.658   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3                                                       
CONECT    3    2    4    5   10                                             
CONECT    4    3                                                            
CONECT    5    3    6                                                       
CONECT    6    5    7    8                                                  
CONECT    7    6                                                            
CONECT    8    6    9   19                                                  
CONECT    9    8   10   12                                                  
CONECT   10    9    3   11                                                  
CONECT   11   10                                                            
CONECT   12    9   13   17                                                  
CONECT   13   12   14                                                       
CONECT   14   13   15   16                                                  
CONECT   15   14                                                            
CONECT   16   14                                                            
CONECT   17   12   18                                                       
CONECT   18   17   19   24                                                  
CONECT   19   18    8   20   21                                             
CONECT   20   19                                                            
CONECT   21   19   22                                                       
CONECT   22   21   23                                                       
CONECT   23   22   24                                                       
CONECT   24   23   18   25   26                                             
CONECT   25   24                                                            
CONECT   26   24   27   28                                                  
CONECT   27   26                                                            
CONECT   28   26   29                                                       
CONECT   29   28                                                            
MASTER        0    0    0    0    0    0    0    0   29    0   62    0
END

View in JSmol

Synonyms

Value	Source
Methyl (1R,4as,5R,7R,8S,9R,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydrophenanthrene-1-carboxylic acid	Generator

Chemical Formula

C₂₃H₃₄O₆

Average Mass

406.5190 Da

Monoisotopic Mass

406.23554 Da

IUPAC Name

methyl (1R,4aS,5R,7R,8S,9R,10aR)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydrophenanthrene-1-carboxylate

Traditional Name

methyl (1R,4aS,5R,7R,8S,9R,10aR)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2H-phenanthrene-1-carboxylate

CAS Registry Number

Not Available

SMILES

COC(=O)[C@]1(C)CCC[C@@]2(C)[C@H]1C[C@@H](OC(C)=O)C1=C2[C@H](O)C[C@](C)(C=C)[C@@H]1O

InChI Identifier

InChI=1S/C23H34O6/c1-7-21(3)12-14(25)18-17(19(21)26)15(29-13(2)24)11-16-22(18,4)9-8-10-23(16,5)20(27)28-6/h7,14-16,19,25-26H,1,8-12H2,2-6H3/t14-,15-,16-,19-,21+,22+,23-/m1/s1

InChI Key

FRAHTHJEPSSXBM-AURODPEVSA-N

Experimental Spectra

Not Available

Predicted Spectra

Not Available

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Lycopus europaeus	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four isoprene units.

Kingdom

Organic compounds

Super Class

Lipids and lipid-like molecules

Class

Prenol lipids

Sub Class

Diterpenoids

Direct Parent

Diterpenoids

Alternative Parents

Substituents

Diterpenoid
Pimarane diterpenoid
Hydrophenanthrene
Phenanthrene
Dicarboxylic acid or derivatives
Methyl ester
Carboxylic acid ester
Secondary alcohol
Carboxylic acid derivative
Organooxygen compound
Alcohol
Hydrocarbon derivative
Organic oxide
Organic oxygen compound
Carbonyl group
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	2.07	ChemAxon
pKa (Strongest Acidic)	13.88	ChemAxon
pKa (Strongest Basic)	-3	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	4	ChemAxon
Hydrogen Donor Count	2	ChemAxon
Polar Surface Area	93.06 Å²	ChemAxon
Rotatable Bond Count	5	ChemAxon
Refractivity	108.38 m³·mol⁻¹	ChemAxon
Polarizability	44.34 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

10253494

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

21627326

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate (NP0245542)

MOL for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

3D MOL for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

3D SDF for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

3D-SDF for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

PDB for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

3D PDB for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

SMILES for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

INCHI for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

Structure for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)

3D Structure for NP0245542 (methyl (1r,4as,5r,7r,8s,9r,10ar)-9-(acetyloxy)-7-ethenyl-5,8-dihydroxy-1,4a,7-trimethyl-3,4,5,6,8,9,10,10a-octahydro-2h-phenanthrene-1-carboxylate)