Synonyms: AC1L4HF5;Urs-12-en-28-oic acid, 2-(acetyloxy)-3,19-dihydroxy-, methyl ester, (2alpha,3beta)-;77820-51-0;methyl (1R,2R,4aS,6aR,6aS,6bR,10R,11R,12aR,14bR)-11-acetyloxy-1,10-dihydroxy-1,2,6a,6b,9,9,12a-heptamethyl-2,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate