QC061705

头孢哌酮EP杂质E；头孢唑林EP杂质H；头孢洛汀钠EP杂质C

Cefoperazone EP Impurity E;Cefazolin EP Impurity H;Cefalotin Sodium EP Impurity C

别名：(6R,7R)-3-[(Acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid