6-{[(2,3b-Dimethyl-4-methylene-5-oxo-6-{[(2,3b,4-trimethyl-5-oxodecahydro-1H-cyclopenta[a]pentalen-2-yl)carbonyl]oxy}-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalen-2-yl)carbonyl]oxy}-2,3b-dime thyl-4-methylene-5-oxo-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalene-2-carboxylic acid

1H-Cyclopenta[a]pentalene-2-carboxylic acid, 6-[[(decahydro-2,3b,4-trimethyl-5-oxo-1H-cyclopenta[a]pentalen-2-yl)carbonyl]oxy]-2,3,3a,3b,4,5,7,7a-octahydro-2,3b-dimethyl-4-methylene-5-oxo-, 2-carboxy- 2,3,3a,3b,4,5,7,7a-octahydro-2,3b-dimethyl-4-methylene-5-oxo-1H-cyclopenta[a]pentalen-6-yl ester

6-{[(2,3b-Dimethyl-4-methylen-5-oxo-6-{[(2,3b,4-trimethyl-5-oxodecahydro-1H-cyclopenta[a]pentalen-2-yl)carbonyl]oxy}-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalen-2-yl)carbonyl]oxy}-2,3b-dimet hyl-4-methylen-5-oxo-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalen-2-carbonsäure

6-{[(2,3b-Dimethyl-4-methylene-5-oxo-6-{[(2,3b,4-trimethyl-5-oxodecahydro-1H-cyclopenta[a]pentalen-2-yl)carbonyl]oxy}-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalen-2-yl)carbonyl]oxy}-2,3b-dime thyl-4-methylene-5-oxo-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalene-2-carboxylic acid

Acide 6-{[(2,3b-diméthyl-4-méthylène-5-oxo-6-{[(2,3b,4-triméthyl-5-oxodécahydro-1H-cyclopenta[a]pentalén-2-yl)carbonyl]oxy}-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalén-2-yl)carbonyl]oxy}-2,3 b-diméthyl-4-méthylène-5-oxo-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalène-2-carboxylique

Sterhirsutin I