英文名称:Cefadroxil Ep Impurity C; Cefadroxil Ep Impurity C (Mixture Of Isomers); 2H-1,3-Thiazine-2-Acetic Acid, Α-[[Amino(4-Hydroxyphenyl)Acetyl]Amino]-4-Carboxy-5,6-Dihydro-5-Methyl- (9Ci); 2-((2-Amino-2-(4-Hydroxyphenyl)Acetamido)(Carboxy)Methyl)-5-Methyl-5,6-Dihydro-2H-1,3-Thiazine-4-Carboxylic Acid; Cefadroxil EP Impurity C