Synonyms: 1-Naphthalenecarboxylicacid,5-(4-carboxy-3-methyl-3-butenyl)-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-,[4aR-[4aa,5a(E),6b,8ab]]-; 1-Naphthalenecarboxylicacid,5-[(3E)-4-carboxy-3-methyl-3-butenyl]-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-,(4aR,5S,6R,8aR)- (9CI); 17,19-Dinor-8bH-labda-3,13-diene-15,18-dioic acid, 5,9-dimethyl-,(-)- (8CI); (-)-Kolavic acid; Kolavic acid