72703-95-8 (3S,3aS,8aS,9aS)-3a,4,6,7,8,8a,9,9a-Octahydro-3,5,8a-trimethylnaphtho[2,3-b]furan-2(3H)-one 72704-04-2 (E)-2-Methyl-2-butenoic acid [(3aR,4R,6E,8S,10E,11aR)-2,3,3a,4,5,8,9,11a-octahydro-8-hydroxy-6,10-dimethyl-3-methylene-2-oxocyclodeca[b]furan-4-yl] ester