2,3-Dihydroxybenzoylglycine ethyl ester 58534-62-6 Ethyl 2,3-dihydroxyhippate Ethyl 2,3-dihydroxyhippurate Glycine, N-(2,3-dihydroxybenzoyl)-, ethyl ester Glycine, N-o-pyrocatechuoyl-, ethyl ester (6CI) Hippuric acid, 2,3-dihydroxy-, ethyl ester (8CI) Itoic acid ethyl ester N-(2,3-Dihydroxybenzoyl)glycine ethyl ester