Elliotinoic acid

Cis-communic acid

(1S,8aα)-Decahydro-1,4aβ-dimethyl-6-methylene-5β-[(Z)-3-methyl-2,4-pentadienyl]naphthalene-1-carboxylic acid

(1S,8aα)-Decahydro-1,4aβ-dimethyl-6-methylene-5β-[(Z)-3-methyl-2,4-pentadienyl]-1β-naphthalenecarboxylic acid