龙舌兰皂苷乙酯

hecogenone

(25R)-3β-[(O-β-D-glucopyranosyl-(1->2)-O-[β-D-glucopyranosyl-(1->3)]-O-β-D-glucopyranosyl-(1->4)-β-D-galactopyranosyl)oxy]-5α-spirostan-12-one

25R-spirost-4-ene-3,12-dione

(25R)-2α,3α-epoxy-5α-spirostan-12-one