4'-Methoxypuerarin 4H-1-Benzopyran-4-one, 8-beta-D-glucopyranosyl-7-hydroxy-3-(4-methoxyphenyl)- 8-beta-D-Glucopyranosyl-7-hydroxy-3-(4-methoxyphenyl)-4H-1-benzopyran-4-one 92117-94-7