sodium (2E)-N-((6R,7R)-3-((carbamoyloxy)methyl)-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)-2-(furan-2-yl)-2-(methoxyimino)acetimidate;Trans-cefuroxime Sodium Salt;Cefuroxime Impurity 5 Sodium Salt (Cefuroxime Sodium EP Impurity E Sodium Salt)