3β-acetoxy-12-oxo-olean-28-oic acid

3β-acetoxy-12ξ,13-epoxy-13ξ-oleanan-28-oic acid methyl ester

12α-bromo-3β,13β-dihydroxyolean-28-oic acid γ-lactone

methyl (4aR,4bS,5aR,6aR,6bR,9S,10aR,12aR,12bS,14aS)-9-hydroxy-3,3,6b,10,10,12a,12b-heptamethyloctadecahydro-1H-piceno[12b,13-b]oxirene-14a(5aH)-carboxylate

醋酸