88668-53-5 Diosgenin 3-O-(alpha-L-rhamnopyranosyl-1-2-(beta-D-glucopyranosyl-1-3))-beta-D-glucopyranoside Diosgenin 3-O-(rhamnopyranosyl-1-2-(glucopyranosyl-1-3))glucopyranoside Zingiberenin B