Ceftazidime EP Impurity H

Chemical Name: (6R,7R)-7-[[(2Z)-2-(2-aminothiazol-4-yl)-2-[(2-methoxy-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-carboxylatem (as per EP)

Synonym: 4H-​1,​2,​4-​Triazolium, 4-​amino-​1-​[2-​(2,​4-​difluorophenyl)​-​2-​oxoethyl]​-​, chloride (1:1); 1H-1,2,4-Triazolium, 4-amino-1-[2-(2,4-difluorophenyl)-2-oxoethyl]-, chloride (9CI);

Smile: O=C(C(N12)=C(C[N+]3=CC=CC=C3)CS[C@]2([H])[C@H](NC(/C(C4=CSC(N)=N4)=N\OC(C)(C)C(OC)=O)=O)C1=O)[O-]