NP-MRD: Showing NP-Card for (1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate (NP0161157)

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Record Information

Version

2.0

Created at

2022-09-02 19:15:58 UTC

Updated at

2022-09-02 19:15:58 UTC

NP-MRD ID

NP0161157

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate

Description

(1R,2R,3S,4S,6R,8S,9R,10S,12S,14S,15R,18R)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]Nonadecan-8-yl acetate belongs to the class of organic compounds known as furopyrans. These are organic polycyclic compounds containing a furan ring fused to a pyran ring. Furan is a five-membered aromatic ring with four carbon atoms and one oxygen atom. Pyran a six-membered heterocyclic, non-aromatic ring, made up of five carbon atoms and one oxygen atom and containing two double bonds. (1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate is found in Briareum stechei. Based on a literature review very few articles have been published on (1R,2R,3S,4S,6R,8S,9R,10S,12S,14S,15R,18R)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]Nonadecan-8-yl acetate.

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv1652309022221162D          

 34 38  0  0  1  0            999 V2000
   -0.5467    1.3167    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.1186    0.8289    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    2.5017    2.7569    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.9253    3.3472    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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    4.2220    3.2026    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
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 33 34  1  1  0  0  0
M  END

     RDKit          3D

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M  END


  Mrv1652309022221162D          

 34 38  0  0  1  0            999 V2000
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 27 29  1  0  0  0  0
 29 30  2  0  0  0  0
 29 31  1  0  0  0  0
 32 31  1  1  0  0  0
 25 32  1  0  0  0  0
 32 33  1  0  0  0  0
  2 33  1  0  0  0  0
 33 34  1  1  0  0  0
M  END
> <DATABASE_ID>
NP0161157

> <DATABASE_NAME>
NP-MRD

> <SMILES>
C[C@H]1C(=O)O[C@H]2[C@@H](Cl)C(=C)[C@@H]3C[C@H](OC(C)=O)[C@]4(C)[C@H](C[C@H]5O[C@@]5(C)[C@@H]4[C@@H](O)[C@]12O3)OC(C)=O

> <INCHI_IDENTIFIER>
InChI=1S/C24H31ClO9/c1-9-13-7-14(30-11(3)26)22(5)15(31-12(4)27)8-16-23(6,34-16)18(22)19(28)24(33-13)10(2)21(29)32-20(24)17(9)25/h10,13-20,28H,1,7-8H2,2-6H3/t10-,13-,14-,15-,16+,17-,18+,19+,20-,22+,23+,24+/m0/s1

> <INCHI_KEY>
VMMRHHZYJGRXOJ-DWQUQXIGSA-N

> <FORMULA>
C24H31ClO9

> <MOLECULAR_WEIGHT>
498.95

> <EXACT_MASS>
498.1656603

> <JCHEM_ACCEPTOR_COUNT>
6

> <JCHEM_ATOM_COUNT>
65

> <JCHEM_AVERAGE_POLARIZABILITY>
48.230420541157294

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
1

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
(1R,2R,3S,4S,6R,8S,9R,10S,12S,14S,15R,18R)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0^{1,15}.0^{3,9}.0^{4,6}]nonadecan-8-yl acetate

> <ALOGPS_LOGP>
2.25

> <JCHEM_LOGP>
0.7359505483333331

> <ALOGPS_LOGS>
-3.24

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
5

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA_STRONGEST_ACIDIC>
13.550058893995487

> <JCHEM_PKA_STRONGEST_BASIC>
-3.4330042397663743

> <JCHEM_POLAR_SURFACE_AREA>
120.89

> <JCHEM_REFRACTIVITY>
114.95059999999998

> <JCHEM_ROTATABLE_BOND_COUNT>
4

> <JCHEM_RULE_OF_FIVE>
1

> <ALOGPS_SOLUBILITY>
2.86e-01 g/l

> <JCHEM_TRADITIONAL_IUPAC>
(1R,2R,3S,4S,6R,8S,9R,10S,12S,14S,15R,18R)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0^{1,15}.0^{3,9}.0^{4,6}]nonadecan-8-yl acetate

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 02-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   02-SEP-22         0                                  
HETATM    1  C   UNK     0      -1.021   2.458   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0       0.221   1.547   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0       1.674   2.225   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0       2.688   3.466   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       4.254   3.664   0.000  0.00  0.00           C+0
HETATM    6  O   UNK     0       4.670   5.146   0.000  0.00  0.00           O+0
HETATM    7  C   UNK     0       3.594   6.248   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0       4.010   7.731   0.000  0.00  0.00           C+0
HETATM    9  O   UNK     0       2.102   5.867   0.000  0.00  0.00           O+0
HETATM   10  C   UNK     0       5.481   2.685   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0       5.531   4.225   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0       6.746   3.565   0.000  0.00  0.00           C+0
HETATM   13  O   UNK     0       6.617   5.099   0.000  0.00  0.00           O+0
HETATM   14  C   UNK     0       7.881   5.978   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       7.752   7.513   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0       9.275   5.323   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       8.139   2.909   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0       8.268   1.375   0.000  0.00  0.00           C+0
HETATM   19  O   UNK     0       8.397  -0.160   0.000  0.00  0.00           O+0
HETATM   20  C   UNK     0       7.004   0.495   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       6.348  -0.898   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       5.610   1.151   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       4.550  -0.067   0.000  0.00  0.00           C+0
HETATM   24  O   UNK     0       5.313  -1.405   0.000  0.00  0.00           O+0
HETATM   25  C   UNK     0       2.905  -0.369   0.000  0.00  0.00           C+0
HETATM   26  O   UNK     0       2.391   0.939   0.000  0.00  0.00           O+0
HETATM   27  C   UNK     0       3.642  -1.803   0.000  0.00  0.00           C+0
HETATM   28  C   UNK     0       5.174  -1.962   0.000  0.00  0.00           C+0
HETATM   29  C   UNK     0       2.661  -3.010   0.000  0.00  0.00           C+0
HETATM   30  O   UNK     0       3.056  -4.498   0.000  0.00  0.00           O+0
HETATM   31  O   UNK     0       1.227  -2.454   0.000  0.00  0.00           O+0
HETATM   32  C   UNK     0       1.349  -0.907   0.000  0.00  0.00           C+0
HETATM   33  C   UNK     0       0.016  -0.015   0.000  0.00  0.00           C+0
HETATM   34 Cl   UNK     0      -1.387  -0.650   0.000  0.00  0.00          Cl+0
CONECT    1    2                                                            
CONECT    2    1    3   33                                                  
CONECT    3    2    4   26                                                  
CONECT    4    3    5                                                       
CONECT    5    4    6   10                                                  
CONECT    6    5    7                                                       
CONECT    7    6    8    9                                                  
CONECT    8    7                                                            
CONECT    9    7                                                            
CONECT   10    5   11   12   22                                             
CONECT   11   10                                                            
CONECT   12   10   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   20                                                  
CONECT   19   18   20                                                       
CONECT   20   19   18   21   22                                             
CONECT   21   20                                                            
CONECT   22   20   10   23                                                  
CONECT   23   22   24   25                                                  
CONECT   24   23                                                            
CONECT   25   23   26   27   32                                             
CONECT   26   25    3                                                       
CONECT   27   25   28   29                                                  
CONECT   28   27                                                            
CONECT   29   27   30   31                                                  
CONECT   30   29                                                            
CONECT   31   29   32                                                       
CONECT   32   31   25   33                                                  
CONECT   33   32    2   34                                                  
CONECT   34   33                                                            
MASTER        0    0    0    0    0    0    0    0   34    0   76    0
END

View in JSmol

Synonyms

Value	Source
(1R,2R,3S,4S,6R,8S,9R,10S,12S,14S,15R,18R)-10-(Acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0,.0,.0,]nonadecan-8-yl acetic acid	Generator

Chemical Formula

C₂₄H₃₁ClO₉

Average Mass

498.9500 Da

Monoisotopic Mass

498.16566 Da

IUPAC Name

(1R,2R,3S,4S,6R,8S,9R,10S,12S,14S,15R,18R)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0^{1,15}.0^{3,9}.0^{4,6}]nonadecan-8-yl acetate

Traditional Name

(1R,2R,3S,4S,6R,8S,9R,10S,12S,14S,15R,18R)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0^{1,15}.0^{3,9}.0^{4,6}]nonadecan-8-yl acetate

CAS Registry Number

Not Available

SMILES

C[C@H]1C(=O)O[C@H]2[C@@H](Cl)C(=C)[C@@H]3C[C@H](OC(C)=O)[C@]4(C)[C@H](C[C@H]5O[C@@]5(C)[C@@H]4[C@@H](O)[C@]12O3)OC(C)=O

InChI Identifier

InChI=1S/C24H31ClO9/c1-9-13-7-14(30-11(3)26)22(5)15(31-12(4)27)8-16-23(6,34-16)18(22)19(28)24(33-13)10(2)21(29)32-20(24)17(9)25/h10,13-20,28H,1,7-8H2,2-6H3/t10-,13-,14-,15-,16+,17-,18+,19+,20-,22+,23+,24+/m0/s1

InChI Key

VMMRHHZYJGRXOJ-DWQUQXIGSA-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
Briareum stechei	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as furopyrans. These are organic polycyclic compounds containing a furan ring fused to a pyran ring. Furan is a five-membered aromatic ring with four carbon atoms and one oxygen atom. Pyran a six-membered heterocyclic, non-aromatic ring, made up of five carbon atoms and one oxygen atom and containing two double bonds.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Furopyrans

Sub Class

Not Available

Direct Parent

Furopyrans

Alternative Parents

Substituents

Tricarboxylic acid or derivatives
Furopyran
Oxepane
Pyran
Oxane
Gamma butyrolactone
Tetrahydrofuran
Furan
Secondary alcohol
Lactone
Carboxylic acid ester
Oxacycle
Ether
Oxirane
Dialkyl ether
Carboxylic acid derivative
Organic oxygen compound
Organic oxide
Hydrocarbon derivative
Organooxygen compound
Organochloride
Organohalogen compound
Carbonyl group
Alkyl halide
Alkyl chloride
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	2.25	ALOGPS
logP	0.74	ChemAxon
logS	-3.2	ALOGPS
pKa (Strongest Acidic)	13.55	ChemAxon
pKa (Strongest Basic)	-3.4	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	6	ChemAxon
Hydrogen Donor Count	1	ChemAxon
Polar Surface Area	120.89 Å²	ChemAxon
Rotatable Bond Count	4	ChemAxon
Refractivity	114.95 m³·mol⁻¹	ChemAxon
Polarizability	48.23 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

15515488

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,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate (NP0161157)

MOL for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

3D MOL for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

3D SDF for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

3D-SDF for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

PDB for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

3D PDB for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

SMILES for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

INCHI for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

Structure for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)

3D Structure for NP0161157 ((1r,2r,3s,4s,6r,8s,9r,10s,12s,14s,15r,18r)-10-(acetyloxy)-14-chloro-2-hydroxy-4,9,18-trimethyl-13-methylidene-17-oxo-5,16,19-trioxapentacyclo[10.6.1.0¹,¹⁵.0³,⁹.0⁴,⁶]nonadecan-8-yl acetate)