.beta.-D-Glucopyranoside, 3-hydroxy-5-[2-(3-hydroxy-4-methoxyphenyl)ethenyl]phenyl 155-58-8 Glucopyranoside, rhapontigenin-3, .beta.-D- NSC43321 Ponticin RHAPONTICINE RHAPONTIN Rhaponticin Rhapontigenin, 3-.beta.-D-glucopyranoside