cephalosporin cefpirome 514.109 514.580 C22H22N6O5S2 CAS:84957-29-9 CHEBI:3503 CO\N=C(/C(=O)N[C@H]1[C@H]2SCC(C[n+]3cccc4CCCc34)=C(N2C1=O)C([O-])=O)c1csc(N)n1 Cefpirome DKOQGJHPHLTOJR-WHRDSVKCSA-N Drug_Central:553 HR 810 InChI=1S/C22H22N6O5S2/c1-33-26-15(13-10-35-22(23)24-13)18(29)25-16-19(30)28-17(21(31)32)12(9-34-20(16)28)8-27-7-3-5-11-4-2-6-14(11)27/h3,5,7,10,16,20H,2,4,6,8-9H2,1H3,(H3-,23,24,25,29,31,32)/b26-15-/t16-,20-/m1/s1 KEGG:C11199 KEGG:D07649 cefpirome sulfate cefrom chebi_ontology cyclopentapyridine thiadiazoles