structure given in first source; macro-ring tannin dimer with anti-tumor activity from Woodfordia fruticosa
Also Known As:
woodfruticosin; D-Glucose, cyclic 4-2:6-2'-(4-(6-carboxy-2,3,4-trihydroxyphenoxy)-4',5,5',6,6'-pentahydroxy(1,1'-biphenyl)-2,2'-dicarboxylate) 3-(3,4,5-trihydroxybenzoate), cyclic diester with alpha-D-glucopyranose cyclic 4-2':6-2-(4-(6-carboxy-2,3,4-trihydroxyphenoxy)-4',5,5',6,6'-pentahydroxy(1,1'-biphenyl)-2,2'-dicarboxylate) 1,3-bis(3,4,5-trihydroxybenzoate), (2(S),4(S))-