Synonyms: EuphorbinG; Euphorbin G (a form);b-D-Glucopyranose, cyclic 3®2':6®2-[4-[6-[[[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]carboxy]-2,3,4-trihydroxyphenoxy]-4',5,5',6,6'-pentahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate]cyclic 2®9:4®1-(3,4,4a,9b-tetrahydro-4,4,4a,6,7-pentahydroxy-3-oxo-1,9-dibenzofurandicarboxylate)1-(3,4,5-trihydroxybenzoate), stereoisomer (9CI)