pentanone,furanyl,methyl,furan
Furan
80398-75-0(Z)-2-Methyl-2-butenoic acid (3aS,4S,6R,8Z,10R,11aR)-6-acetoxy-2,3,3a,4,5,6,7,10,11,11a-decahydro-6,10-dimethyl-3-methylene-2,7-dioxocyclodeca[b]furan-4-yl ester
80377-52-2(Z)-2-Methyl-2-butenoic acid [(3aR,4S,6R,11R,11aS)-2,3,3a,4,5,6,7,10,11,11a-decahydro-11-hydroxy-6-methyl-3,10-bis(methylene)-2,7-dioxo-6,9-epoxycyclodeca[b]furan-4-yl] ester