Ceftazidime EP Impurity B

Chemical Name: (6R,7R)-7-[[(2E)-2-(2-aminothiazol-4-yl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-8-oxo-3-[(pyridin-1-ium-1-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (as per EP)

Synonym: 4-(2-fluorophenyl)morpholine