(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-[(1-PYRIDINIO)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLATE;ceftazidiMe iMpurity E;Bisoprolol FuMarate IMpurity-A;Ceftazidime EP 8.0 Impurity E