英文别名(2alpha,3beta)-2,3-Dihydroxy-urs-12-en-28-oic acid phenylmethyl ester; benzyl-2α,3β-dihydroxyurs-12-en-28-oic acid; benzyl 2α,3β-dihydroxyurs-12-en-28-oate; (1S,2R,4aS,6aS,6bR,8aR,10R,11R,12aR,12bR,14bS)-10,11-Dihydroxy-1,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid benzyl ester 
