Synonyms: Naphth[1,2-b]oxirene-4-carboxylicacid, 7-(acetyloxy)decahydro-5,7a,7b-trimethyl-4-(3-methyl-2,4-pentadienyl)-,[1aa,3aa,4b,4(Z),5b,7b,7ab,7ba]-(+)-; Naphth[1,2-b]oxirene-4-carboxylic acid,7-(acetyloxy)decahydro-5,7a,7b-trimethyl-4-[(2Z)-3-methyl-2,4-pentadienyl]-,(1aR,3aS,4R,5R,7S,7aS,7bS)-rel-(+)- (9CI); Heteroscyphic acid C