2α-hydroxy-3-oxoolean-12-en-28-oic acid benzyl ester

benzyl (4aS,6aS,6bR,8aR,12aR,12bR,14bS)-10-acetoxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,12,12a,12b,13,14b-hexadecahydropicene-4a(2H)-carboxylate

(2alpha,3beta)- 2,3-二(乙酰氧基)-齐墩果-12-烯-28-酸