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)

Synonym: Cefuroxime Axetil trans-Isomer ; Cefuroxime Axetil E-isomers (USP)

Smile: O=C(C(N12)=C(COC(N)=O)CS[C@]2([H])[C@H](NC(/C(C3=CC=CO3)=N/OC)=O)C1=O)OC(OC(C)=O)C