. . . . . . . . . . . . . . . . . . . . . . . . "experimental"@en . "(1S,3aS,5aR,8aS)-1,7,7-trimethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene-4-carboxylic acid"@en . . . . . . . . .