NP-MRD: Showing NP-Card for (3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate (NP0216677)

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Record Information

Version

2.0

Created at

2022-09-05 16:44:24 UTC

Updated at

2022-09-05 16:44:24 UTC

NP-MRD ID

NP0216677

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate

Description

(3AR,4S,6aS,8S,9aR,9bS)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-2H,3H,3aH,4H,6aH,7H,8H,9H,9aH,9bH-azuleno[4,5-b]furan-4-yl (2Z)-2-[(acetyloxy)methyl]but-2-enoate belongs to the class of organic compounds known as guaianolides and derivatives. These are diterpene lactones with a structure characterized by the presence of a gamma-lactone fused to a guaiane, forming 3,6,9-trimethyl-azuleno[4,5-b]furan-2-one or a derivative. Based on a literature review very few articles have been published on (3aR,4S,6aS,8S,9aR,9bS)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-2H,3H,3aH,4H,6aH,7H,8H,9H,9aH,9bH-azuleno[4,5-b]furan-4-yl (2Z)-2-[(acetyloxy)methyl]but-2-enoate.

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv1652309052218442D          

 33 35  0  0  1  0            999 V2000
    5.6412   -1.0466    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.9527   -0.5921    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.9157    0.2321    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.5607    0.7464    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.1204    0.4515    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.6659   -0.2370    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.1803   -0.8820    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    3.9967   -1.6863    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.6417   -2.2007    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.5188   -3.0165    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.1638   -3.5308    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.7508   -3.3179    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6278   -4.1337    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2728   -4.6480    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.1058   -2.8035    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.3378   -3.1049    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.2149   -3.9207    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4469   -4.2221    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8599   -4.4351    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.2534   -2.0443    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5101   -1.6863    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.8651   -2.2007    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    2.8409   -0.2370    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
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M  END

     RDKit          3D

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   -5.8181    2.6578   -0.5065 O   0  0  0  0  0  0  0  0  0  0  0  0
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M  END


  Mrv1652309052218442D          

 33 35  0  0  1  0            999 V2000
    5.6412   -1.0466    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.9527   -0.5921    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    4.1204    0.4515    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
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    4.1803   -0.8820    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
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    0.9461    0.7464    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
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M  END
> <DATABASE_ID>
NP0216677

> <DATABASE_NAME>
NP-MRD

> <SMILES>
C\C=C(\COC(C)=O)C(=O)O[C@H]1C=C(C)[C@]2(O)C[C@H](OC(C)=O)C(=C)[C@@H]2[C@H]2OC(=O)C(=C)[C@H]12

> <INCHI_IDENTIFIER>
InChI=1S/C24H28O9/c1-7-16(10-30-14(5)25)23(28)32-17-8-11(2)24(29)9-18(31-15(6)26)12(3)20(24)21-19(17)13(4)22(27)33-21/h7-8,17-21,29H,3-4,9-10H2,1-2,5-6H3/b16-7-/t17-,18-,19+,20+,21-,24+/m0/s1

> <INCHI_KEY>
SRKRYNDJHFDCEX-WYFJIMKCSA-N

> <FORMULA>
C24H28O9

> <MOLECULAR_WEIGHT>
460.479

> <EXACT_MASS>
460.173332482

> <JCHEM_ACCEPTOR_COUNT>
5

> <JCHEM_ATOM_COUNT>
61

> <JCHEM_AVERAGE_POLARIZABILITY>
45.835737135075426

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
1

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
(3aR,4S,6aS,8S,9aR,9bS)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-2H,3H,3aH,4H,6aH,7H,8H,9H,9aH,9bH-azuleno[4,5-b]furan-4-yl (2Z)-2-[(acetyloxy)methyl]but-2-enoate

> <JCHEM_LOGP>
1.221135994666665

> <JCHEM_MDDR_LIKE_RULE>
1

> <JCHEM_NUMBER_OF_RINGS>
3

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA_STRONGEST_ACIDIC>
13.744402001483618

> <JCHEM_PKA_STRONGEST_BASIC>
-3.347998564551064

> <JCHEM_POLAR_SURFACE_AREA>
125.43

> <JCHEM_REFRACTIVITY>
115.26929999999999

> <JCHEM_ROTATABLE_BOND_COUNT>
8

> <JCHEM_RULE_OF_FIVE>
1

> <JCHEM_TRADITIONAL_IUPAC>
(3aR,4S,6aS,8S,9aR,9bS)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3aH,4H,7H,8H,9aH,9bH-azuleno[4,5-b]furan-4-yl (2Z)-2-[(acetyloxy)methyl]but-2-enoate

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 05-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   05-SEP-22         0                                  
HETATM    1  C   UNK     0      10.530  -1.954   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0       9.245  -1.105   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0       9.176   0.433   0.000  0.00  0.00           C+0
HETATM    4  O   UNK     0      10.380   1.393   0.000  0.00  0.00           O+0
HETATM    5  O   UNK     0       7.691   0.843   0.000  0.00  0.00           O+0
HETATM    6  C   UNK     0       6.843  -0.442   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0       7.803  -1.646   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0       7.461  -3.148   0.000  0.00  0.00           C+0
HETATM    9  O   UNK     0       8.665  -4.108   0.000  0.00  0.00           O+0
HETATM   10  C   UNK     0       8.435  -5.631   0.000  0.00  0.00           C+0
HETATM   11  O   UNK     0       9.639  -6.591   0.000  0.00  0.00           O+0
HETATM   12  C   UNK     0       7.001  -6.193   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0       6.772  -7.716   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0       7.976  -8.676   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       5.797  -5.233   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0       4.364  -5.796   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       4.134  -7.319   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0       2.701  -7.881   0.000  0.00  0.00           C+0
HETATM   19  O   UNK     0       5.338  -8.279   0.000  0.00  0.00           O+0
HETATM   20  C   UNK     0       6.073  -3.816   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       4.686  -3.148   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       3.482  -4.108   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       4.343  -1.646   0.000  0.00  0.00           C+0
HETATM   24  O   UNK     0       3.183  -2.660   0.000  0.00  0.00           O+0
HETATM   25  C   UNK     0       2.901  -1.105   0.000  0.00  0.00           C+0
HETATM   26  C   UNK     0       2.970   0.433   0.000  0.00  0.00           C+0
HETATM   27  O   UNK     0       1.766   1.393   0.000  0.00  0.00           O+0
HETATM   28  C   UNK     0       1.996   2.916   0.000  0.00  0.00           C+0
HETATM   29  C   UNK     0       3.429   3.479   0.000  0.00  0.00           C+0
HETATM   30  O   UNK     0       0.792   3.876   0.000  0.00  0.00           O+0
HETATM   31  C   UNK     0       4.455   0.843   0.000  0.00  0.00           C+0
HETATM   32  C   UNK     0       4.996   2.285   0.000  0.00  0.00           C+0
HETATM   33  C   UNK     0       5.303  -0.442   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3    7                                                  
CONECT    3    2    4    5                                                  
CONECT    4    3                                                            
CONECT    5    3    6                                                       
CONECT    6    5    7   33                                                  
CONECT    7    6    2    8                                                  
CONECT    8    7    9   20                                                  
CONECT    9    8   10                                                       
CONECT   10    9   11   12                                                  
CONECT   11   10                                                            
CONECT   12   10   13   15                                                  
CONECT   13   12   14                                                       
CONECT   14   13                                                            
CONECT   15   12   16                                                       
CONECT   16   15   17                                                       
CONECT   17   16   18   19                                                  
CONECT   18   17                                                            
CONECT   19   17                                                            
CONECT   20    8   21                                                       
CONECT   21   20   22   23                                                  
CONECT   22   21                                                            
CONECT   23   21   24   25   33                                             
CONECT   24   23                                                            
CONECT   25   23   26                                                       
CONECT   26   25   27   31                                                  
CONECT   27   26   28                                                       
CONECT   28   27   29   30                                                  
CONECT   29   28                                                            
CONECT   30   28                                                            
CONECT   31   26   32   33                                                  
CONECT   32   31                                                            
CONECT   33   31    6   23                                                  
MASTER        0    0    0    0    0    0    0    0   33    0   70    0
END

View in JSmol

Synonyms

Value	Source
(3AR,4S,6as,8S,9ar,9BS)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-2H,3H,3ah,4H,6ah,7H,8H,9H,9ah,9BH-azuleno[4,5-b]furan-4-yl (2Z)-2-[(acetyloxy)methyl]but-2-enoic acid	Generator

Chemical Formula

C₂₄H₂₈O₉

Average Mass

460.4790 Da

Monoisotopic Mass

460.17333 Da

IUPAC Name

(3aR,4S,6aS,8S,9aR,9bS)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-2H,3H,3aH,4H,6aH,7H,8H,9H,9aH,9bH-azuleno[4,5-b]furan-4-yl (2Z)-2-[(acetyloxy)methyl]but-2-enoate

Traditional Name

(3aR,4S,6aS,8S,9aR,9bS)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3aH,4H,7H,8H,9aH,9bH-azuleno[4,5-b]furan-4-yl (2Z)-2-[(acetyloxy)methyl]but-2-enoate

CAS Registry Number

Not Available

SMILES

C\C=C(\COC(C)=O)C(=O)O[C@H]1C=C(C)[C@]2(O)C[C@H](OC(C)=O)C(=C)[C@@H]2[C@H]2OC(=O)C(=C)[C@H]12

InChI Identifier

InChI=1S/C24H28O9/c1-7-16(10-30-14(5)25)23(28)32-17-8-11(2)24(29)9-18(31-15(6)26)12(3)20(24)21-19(17)13(4)22(27)33-21/h7-8,17-21,29H,3-4,9-10H2,1-2,5-6H3/b16-7-/t17-,18-,19+,20+,21-,24+/m0/s1

InChI Key

SRKRYNDJHFDCEX-WYFJIMKCSA-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

Not Available

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as guaianolides and derivatives. These are diterpene lactones with a structure characterized by the presence of a gamma-lactone fused to a guaiane, forming 3,6,9-trimethyl-azuleno[4,5-b]furan-2-one or a derivative.

Kingdom

Organic compounds

Super Class

Lipids and lipid-like molecules

Class

Prenol lipids

Sub Class

Terpene lactones

Direct Parent

Guaianolides and derivatives

Alternative Parents

Substituents

Guaianolide-skeleton
Guaiane sesquiterpenoid
Sesquiterpenoid
Tetracarboxylic acid or derivatives
Fatty acid ester
Fatty acyl
Gamma butyrolactone
Alpha,beta-unsaturated carboxylic ester
Enoate ester
Tetrahydrofuran
Cyclic alcohol
Tertiary alcohol
Carboxylic acid ester
Lactone
Oxacycle
Organoheterocyclic compound
Carboxylic acid derivative
Organic oxide
Organic oxygen compound
Hydrocarbon derivative
Alcohol
Carbonyl group
Organooxygen compound
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	1.22	ChemAxon
pKa (Strongest Acidic)	13.74	ChemAxon
pKa (Strongest Basic)	-3.3	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	5	ChemAxon
Hydrogen Donor Count	1	ChemAxon
Polar Surface Area	125.43 Å²	ChemAxon
Rotatable Bond Count	8	ChemAxon
Refractivity	115.27 m³·mol⁻¹	ChemAxon
Polarizability	45.84 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	Yes	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

163054765

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for (3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate (NP0216677)

MOL for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

3D MOL for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

3D SDF for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

3D-SDF for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

PDB for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

3D PDB for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

SMILES for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

INCHI for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

Structure for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)

3D Structure for NP0216677 ((3ar,4s,6as,8s,9ar,9bs)-8-(acetyloxy)-6a-hydroxy-6-methyl-3,9-dimethylidene-2-oxo-3ah,4h,7h,8h,9ah,9bh-azuleno[4,5-b]furan-4-yl (2z)-2-[(acetyloxy)methyl]but-2-enoate)