128396-15-6 2-Methyl-5,7-dihydroxychromone 5-O-beta-glycopyranoside 4H-1-Benzopyran-4-one, 5-(beta-D-glucopyranosyloxy)-7-hydroxy-2-methyl- 5-(beta-D-Glucopyranosyloxy)-7-hydroxy-2-methyl-4H-1-benzopyran-4-one Schumanniofioside A