96820-32-5

.beta.-D-Glucopyranoside, 2,2-bis(3,4-dihydroxyphenyl)-3,3,4,4-tetrahydro-3,5,5,7,7-pentahydroxy4,8-bi-2H-1-benzopyran-3-yl, 2R-2.alpha.,3.alpha.,4.beta.(2R*,3R*)-