5,6-Dihydroxy-3-carboxyphenyl ester of gallic acid 536-08-3 Benzoic acid, 3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]- DIGALLIC ACID, META Digallic acid Gallic acid 3-monogallate Gallic acid, 3-gallate NSC59263 m-Digallic acid m-Galloylgallic acid