1000980-60-8

Δ2-Ceftazidime 2-Ceftazidime (&gt ?2-Ceftazidime (>80%) a2-Ceftazidime (>80%) CEFTAZIDIME IMPURITY A Ceftazidime EP Impurity A Ceftazidime EP Impurity A(2-Ceftazidime) Ceftazidime Impurity 1(Ceftazidime EP Impurity A) (6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-(Z)-(2,2-dimethylacetoxyimino)acetamido]-3-[(pyridinium)methyl]-2-cephem-4-carboxylate (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate 1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-en-3-yl]methyl]pyridinium inner salt (2RS,6R,7R)-7-[[(2Z)-2-(2-AMINOTHIAZOL-4-YL)-2-[(1-CARBOXY-1-METHYLETHOXY)IMINO]ACETYL]AMINO]-8-OXO-3-[(1-PYRIDINIO)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-3-ENE-2-CARBOXYLATE (Δ-2-CEFTAZIDIME) Ceftazidime impurity 1/Ceftazidime EP Impurity A/(2R,6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate