Synonyms: b-D-Glucopyranose, cyclic 3®2':6®2-[4-(6-carboxy-2,3,4-trihydroxyphenoxy)-4',5,5',6,6'-pentahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate]1-(3,4,5-trihydroxybenzoate), cyclic 2®2:4®3-ester with3-(6-carboxy-2,3,4-trihydroxyphenyl)-4-hydroxy-2-phenazinecarboxylic acid,2-ester with b-D-glucopyranose1,3,4,6-tetrakis(2,3,4-trihydroxybenzoate);7,21-(Epoxymethano)-8H-dibenzo[8',9':10',11'][1,6]dioxacyclododecino[3',2':3,4][2,6]benzodioxacycloundecino[8,9-b]phenazine,b-D-glucopyranose deriv.;Euphorbin B phenazine; b-D-Glucopyranose, cyclic 3®2:6®2'-[4,5,5',6,6'-pentahydroxy-4'-[2,3,4-trihydroxy-6-[[1,3,4,6-tetrakis-O-(3,4,5-trihydroxybenzoyl)-b-D-glucopyranos-2-O-yl]carbonyl]phenoxy][1,1'-biphenyl]-2,2'-dicarboxylate]1-(3,4,5-trihydroxybenzoate), cyclic 2®3:4®2-ester with 3-(6-carboxy-2,3,4-trihydroxyphenyl)-4-hydroxy-2-phenazinecarboxylicacid, [2(R),3(R)]-