(1S,3aR,5aS,8aR)-1,7,7-Trimethyl-2-oxo-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene-4-carboxylate

(1S,3aR,5aS,8aR)-1,7,7-Trimethyl-2-oxo-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalen-4-carboxylat

(1S,3aR,5aS,8aR)-1,7,7-Trimethyl-2-oxo-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene-4-carboxylate

(1S,3aR,5aS,8aR)-1,7,7-Triméthyl-2-oxo-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalène-4-carboxylate

Cyclopenta[c]pentalene-4-carboxylic acid, 1,2,3,3a,5a,6,7,8-octahydro-1,7,7-trimethyl-2-oxo-, ion(1-), (1S,3aR,5aS,8aR)-

1-deoxy-11-ketopentalenate

1-deoxy-11-oxopentalenate