英文别名Ceftazidime Impurity 5; Ceftazidime t-Butyl Ester; Ceftazidime tert-butyl ester; Ceftazidime Impurity D(EP); 1-[[(6R,7R)-7-[[(2Z)-2-(2-AMino-4-thiazolyl)-2-[[2-(1,1-diMethylethoxy)-1,1-diMethyl-2-oxoethoxy]iMino]acetyl]aMino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]Methyl]pyridiniuM Inner Salt; (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; (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; Pyridinium, 1-[[(6R,7R)-7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-[[2-(1,1-dimethylethoxy)-1,1-dimethyl-2-oxoethoxy]imino]-1-oxoethyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt; (6R,7R)-7-({(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[({2-methyl-1-[(2-methyl-2-propanyl)oxy]-1-oxo-2-propanyl}oxy)imino]acetyl}amino)-8-oxo-3-(1-pyridiniumylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyiminoacetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 
