1H-Indene-4-Carboxylic acid, 6-ethyl-2,3,3a,6,7,7a-hexahydro-1-oxo-, (3aS,6R,7aS)- 1H-Indene-4-Carboxylic acid, 6-ethyl-2,3,3a,6,7,7a-hexahydro-1-oxo-, (3aS-(3alpha,6beta,7aalpha))- 6-Ethyl-2,3,3aS,6R,7,7aS-hexahydro-1-oxo-1H-indene-4-Carboxylic acid 62251-98-3 Coronafacic acid