Ceftazidime EP Impurity E

Chemical Name: (6R,7R)-7-[[(2Z)-2-(2-aminothiazol-4-yl)-2-[[2-(1,1-dimethylethoxy)-1,1-dimethyl-2-oxoethoxy]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: 1,​2,​3-​Propanetriol, 2-​(2,​4-​difluorophenyl)​-; 2-(2,4-Difluorophenyl)-1,2,3-propanetriol;