66421-47-4 Mallotusinic acid beta-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) cyclic 2-7:4-5-(3,6-dihydro-2,9,10,11,11-pentahydroxy-3-oxo-2,6-methano-2H-1-benzoxocin-5,7-dicarboxylate) 1-(3,4,5-trihydroxybenzoate), stereoisomer