Synonyms: Benzoicacid, 3,4,5-trihydroxy-, 3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-ylester, (2S-trans)-;Gallocatechol, 3-gallate, (-)- (8CI);Gallic acid, esterwith gallocatechol, (-) (8CI);(-)-Gallocatechin 3-O-gallate;(-)-Gallocatechin3-gallate;(-)-Gallocatechol gallate;