CAS号: 97148-38-4 英文名称: Ceftazidime EP Impurity B 英文同义词: Ceftazidime EP Impurity B;Ceftazidime Impurity B (EP) (E-Ceftazidime);(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;Ceftazidime impurity 2/Ceftazidime EP Impurity B/E-Ceftazidime/(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 中文名称: 头孢他啶EP杂质B 中文同义词: E-头孢他啶;头孢他啶EP杂质B;头孢他啶杂质B(EP) 分子式: C22H22N6O7S2 分子量: 546.57608