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

齐墩果酸甲酯

齐墩果酸

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