agathic acid

(13E)-Labda-8(17),13-diene-15,19-dioic acid

(E)-5-[(1S,4aR,8aR)-2-Methylene-5β-carboxy-5,8aβ-dimethyldecalin-1β-yl]-3-methyl-2-pentenoic acid

(1S,4aβ,5β,8aα)-5-[(E)-4-Carboxy-3-methyl-3-butenyl]decahydro-1,4a-dimethyl-6-methylene-1-naphthalenecarboxylic acid