(-)-Gallocatechin gallate (-)-Gallocatechol gallate 4233-96-9 Benzoic acid, 3,4,5-trihydroxy-, 3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-yl ester, (2S-trans)- Gallocatechol, 3-gallate, (-)- (8CI)