Compositin

1,7-Ditigloylvilasinin

(13S,17R)-21,23-Epoxy-4,5α,5',6β-tetrahydro-4β,8-dimethyl-24-norchola-5-eno[6,5,4-bc]furan-14,20,22-triene-1α,3α,7α-triol 1,7-bis[(E)-2-methyl-2-butenoate]

(5α,13α,17α)-21,23-Epoxy-4,5,5',6β-tetrahydro-4β,8-dimethyl-24-norchol-5-eno[6,5,4-bc]furan-14,20,22-triene-1α,3α,7α-triol 1,7-bis[(E)-2-methyl-2-butenoate]