英文别名(2,4-Diamino-5-pyrimidinyl)(3,4,5-trimethoxyphenyl)methanone; Trimethoprim EP Impurity B; Methanone,(2,4-diamino-5-pyrimidinyl)(3,4,5-trimethoxyphenyl)-; Trimethoprim Impurity 2 (Trimethoprim EP Impurity B); Trimethoprim Keto Analogue; Keto trimethoprim; Carbonyltrimethoprim; 2,4-Diamino-5-(3,4,5-trimethoxy-benzoyl)pyrimidine; 2,4-Diamino-5-galloyl-pyrimidine; RO-20-0570/002; Trimethoprim related compound B 
