Synonyms: b-D-Glucopyranose, cyclic 2®5:4®7-(3,6-dihydro-2,9,10,11,11-pentahydroxy-3-oxo-2,6-methano-2H-1-benzoxocin-5,7-dicarboxylate)cyclic 1,6-(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-dicarboxylate)3-(3,4,5-trihydroxybenzoate), stereoisomer; Helioscopinin A; Helioscopinin A (bform)