1207976-33-7
(18β,20β)-3,11-dioxoolean-12-en-29-oic acid diphenylmethyl ester
1207976-38-2
(18β,20β)-3-(hydroxyimino)-11-oxoolean-12-en-29-oic acid diphenylmethyl ester
1360075-39-3
(5aR,7aR,7bS,9aS,12S,13aR,15aR,15bS)-2,3,4,5,5a,6,7,7a,7b,8,9,9a,10,11,12,13,13a,15,15a,15b-eicosahydro-5,5,7a,7b,9a,12,15b-heptamethyl-3,15-dioxo-1H-chryseno[2,1-c]azepine-12-carboxylic acid diphenylmethyl ester
65941-05-1
1297603-80-5
(5aR,7aR,7bS,9aS,12S,13aR,15aR,15bS)-5,5,7a,7b,9a,12,15b-heptamethyl-3,15-dioxo-2,3,4,5,5a,6,7,7a,7b,8,9,9a,10,11,12,13,13a,15,15a,15b-icosahydro-1H-chryseno[2,1-c]azepine-12-carbonyl azide