1 CTJ 1-({(2r)-2-[(1r)-1-{[(2z)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino}-2-oxoethyl]-4-carboxy-3,6-dihydro-2h-1,3-thiazin-5-yl}methyl)pyridinium 1.000 2 RYE Hydrolyzed ceftazidime 0.974 3 CAZ Acylated ceftazidime 0.838 4 NZM Cefixime, bound form 0.763 5 CEF Cefotaxime, c3' cleaved, open, bound form 0.703 6 CEW (2r)-2-[(1r)-1-({[(2r)-2-amino-2,3-dihydro-1,3-thiazol-4-yl](methoxyimino)acetyl}amino)-2-oxoethyl]-5-methyl-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid 0.703 7 FZS (2r)-2-[(1s)-1-{[(2z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-2-hydroxyethyl]-5-methylidene-5,6-dihydro-2h-1,3-thiazine-4-carboxylic acid 0.703