2-氰基-3,12-二氧代齐墩果-1,9(11)-二烯-28-酸甲酯

2-cyano-3-hydroxy-12-oxoolean-2(3),9(11)-dien-28-oic acid

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

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

3,12-二氧代齐墩果-9(11)-烯-28-酸甲酯