(3aR,5aR,9bS)-3a-hydroxy-5a,9-dimethyl-3-methylene-3,3a,4,5,5a,6,7,8-octahydronaphtho[1,2-b]furan-2(9bH)-one;3-methylenenaphtho[1,2-b]furan-2(3H)-one;7?-Hydroxy-4,11(13)-eudesmadien-12,6-olide;(3aR,5aR,9bS)-3a,4,5,5a,6,7,8,9b-Octahydro-3a-hydroxy-5a,9-dimethyl-3-methylene-naphtho[1,2-b]furan-2(3H)-one;7?-Hydroxyfrullanolide
