hederagenin methyl ester monoxanthate

methyl 2β,3β-epoxy-12-oleanen-28-oate

methyl (4aS,6aS,6bR,8aR,10R,11R,12aR,12bR,14bS)-10-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-11-(((methylthio)carbonothioyl)oxy)-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydropicene-4a(2H)-carboxylate

三甲基硅烷化重氮甲烷