Cefuroxime Axetil EP Impurity B

Chemical Name: (1RS)-1-(Acetyloxy)ethyl (6R,7R)-3-[(carbamoyloxy)-methyl]-7-[[(E)-2-(furan-2-yl)-2-(methoxyimino)acetyl]-amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2carboxylate (as per EP); (1RS,6R,7R)-1-Acetoxyethyl 3-[(carbamoyloxy)methyl]-7-[(E)-2-(furan-2-yl)-2-(methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate) (as per USP)