3-[O-β-D-glucopyranosyl-(1->3)]-β-D-glucopyranosyl-(1->2)-O-[O-β-D-glucopyranosyl-(1->3)]-[(O-β-D-glucopyranosyl-(1->4)-β-D-galactopyranosyl)oxy]-2,6-dihydroxy-(2α,3β,5α,6β,25R)-spirostane

gypsogenin 28-O-α-D-galactopyranosyl-(1->6)-β-D-glucopyranosyl-(1->6)-[β-D-glucopyranosyl-(1->3)]-β-D-glucopyranosyl ester

nolinofuroside D

HDEGP

对硝基苯基-β-D-吡喃半乳糖苷(PNPG)