Elemanolide

Epitulipdienolide

(3aR,7aα)-4α-Acetoxy-6β-vinyl-3a,4,5,6,7,7a-hexahydro-6-methyl-3-methylene-7α-(1-methylvinyl)benzofuran-2(3H)-one

(3aR,4R,6S,7S,7aR)-4-(Acetoxy)-6-ethenyl-3a,4,5,6,7,7a-hexahydro-6-methyl-3-methylene-7-(1-methylethenyl)benzofuran-2(3H)-one