Synonyms: | m-Dithiane-4-valericacid, 2-[3-hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridyl]- (8CI); Octanoic acid,6,8-dimercapto-, cyclic mercaptal with3-hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridinecarboxaldehyde; Pyridoxal,cyclic mercaptal with 6,8-dimercaptooctanoic acid |