英文名称:Hydroxyphenyl Diketopiperazine; Cefprozil Monohydrate Ep Impurity C; Cefadroxil Ep Impurity E/Cefprozil Ep Impurity C; Cefprozil Ep Impurity C (Cefadroxil Ep Impurity E); 3-(Aminomethylene)-6-(4-Hydroxyphenyl)-2,5-Piperazinedione; Cefprozil IMpurity C; Cefprozil Ep Impurity C/Cefadroxil Ep Impurity E/(R)-3-(Aminomethylene)-6-(4-Hydroxyphenyl)Piperazine-2,5-Dione; Cefadroxil Impurity 5(Cefadroxil Ep Impurity E); Cefadroxil Ep Impurity E; Ouxgvnpoyjafhp-Uhfffaoysa-N