Methyl (4aS,6aR,6bS,13aS,15aR,15bR)-2,2,6a,6b,9,9,13a-heptamethyl -15-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,13,13a,15,15a,15b-hexadecahydrop iceno[2,3-d][1,2]oxazole-4a(2H)-carboxylate

Methyl (3α,5ξ,18α)-3-hydroxy-12-oxoolean-9(11)-en-28-oate