Cefuroxime Axetil EP Impurity A

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

Synonym: Cefuroxime Axetil Delta-3-Isomers (USP)

Smile: O=C(C(C(COC(N)=O)=CS[C@]1([H])[C@@H]2NC(/C(C3=CC=CO3)=N\OC)=O)N1C2=O)OC(OC(C)=O)C