3,4,5-Trihydroxybenzoic acid ethyl ester 831-61-8 Benzoic acid, 3,4,5-trihydroxy-, ethyl ester Ethyl 3,4,5-trihydroxybenzoate Ethyl gallate Ethyl-3,4,5-trihydroxybenzoate Gallic acid ethyl ester Gallic acid, ethyl ester NSC402626 Nipa No. 48 Nipagallin A Phyllemblin Progallin A