bridgeside D2

bridgeside E2

3β-hydroxy-23-oxo-30-noroleana-12,20(29)-diene-28-oic acid 3-O-β-D-glucuronopyranosyl-28-O-β-D-glucopyranoside

norhederagenin 3-O-β-D-glucuronopyranosyl-28-O-β-D-glucopyranoside

[(3beta)-17-羧基-28-去甲齐墩果-12-烯-3-基]3-O-beta-D-吡喃葡萄糖基-beta-D-吡喃葡糖苷酸