分类:Pharmaceuticals, Intermediates & Fine Chemicals, CAS:30078-48-9 分子式:C19H20N2O3 分子量:324.37 物理性质:White Crystalline Solid 应用说明:Used as a reference standard for the drug Trimethoprim.Note this compound is a cis / trans mixture. 别名:Trimethoprim Impurity I