Synonyms: a-D-Glucopyranose, cyclic2,3-(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate)1-[2-[5-[[[4,6-O-[(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-diyl)dicarbonyl]-2,3-bis-O-(3,4,5-trihydroxybenzoyl)-b-D-glucopyranosyl]oxy]carbonyl]-2,3-dihydroxyphenoxy]-3,4,5-trihydroxybenzoate],stereoisomer; 11H-Dibenzo[f,h]pyrano[3,4-b][1,4]dioxecin, a-D-glucopyranose deriv.;Dibenzo[g,i]pyrano[3,2-b][1,5]dioxacycloundecin, a-D-glucopyranose deriv.; Gemin B