Synonyms: Trimethoprim, 5-(3,4,5-Trimethoxybenzyl)pyrimidine-2,4-diamine, Pyrimidine, 2,4-diamino-5-(3,4,5-trimethoxybenzyl)- (7CI,8CI), 2,4-Pyrimidinediamine, 5-[(3,4,5-trimethoxyphenyl)methyl]-, 2,4-Diamino-5-(3′,4′,5′-trimethoxybenzyl)pyrimidine, 2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine, BW 56-72, Instalac, Monotrim, NIH 204, NSC 106568, Proloprim, Syraprim, Tiempe, Trimanyl, Trimethioprim, Trimetoprim, Trimogal, Trimopan, Trimpex, Triprim, Uretrim, Wellcoprim