cephalosporin ceftazidime (6R,7R)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino}-8-oxo-3-(pyridinium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 546.099 546.57600 7beta-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino}-3-(pyridinium-1-ylmethyl)-3,4-didehydrocepham-4-carboxylate A cephalosporin bearing pyridinium-1-ylmethyl and {[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. Beilstein:5475149 C22H22N6O7S2 CAS:72558-82-8 CAZ CHEBI:3508 Ceftazidime anhydrous DrugBank:DB00438 InChI=1S/C22H22N6O7S2/c1-22(2,20(33)34)35-26-13(12-10-37-21(23)24-12)16(29)25-14-17(30)28-15(19(31)32)11(9-36-18(14)28)8-27-6-4-3-5-7-27/h3-7,10,14,18H,8-9H2,1-2H3,(H4-,23,24,25,29,31,32,33,34)/b26-13-/t14-,18-/m1/s1 KEGG:C06889 KEGG:D07654 ORFOPKXBNMVMKC-DWVKKRMSSA-N PMID:11252323 PMID:11284241 PMID:11591698 PMID:11605815 PMID:11815759 PMID:12048030 PMID:12120880 PMID:12523657 PMID:12767750 PMID:12833570 PMID:1384868 PMID:14961139 PMID:15528892 PMID:15618675 PMID:15687217 PMID:15913752 PMID:16092041 PMID:16501927 PMID:16956383 PMID:18611568 PMID:18926104 PMID:19810175 PMID:1991925 PMID:2068466 PMID:24089577 PMID:2570956 PMID:28543395 Patent:DE2921316 Patent:US4258041 Reaxys:5475149 Wikipedia:Ceftazidime [H][C@]12SCC(C[n+]3ccccc3)=C(N1C(=O)[C@H]2NC(=O)C(=N/OC(C)(C)C(O)=O)\c1csc(N)n1)C([O-])=O ceftazidima ceftazidime ceftazidimum chebi_ontology oxime O-ether