延龄草苷

ethyl 3-O-(2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl)-4,6-O-benzylidene-1-thio-β-D-glucopyranoside

26-O-tert-butyldiphenylsilyl-3β-O-(2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl)-(25R)-furost-5-en