cephalosporin carboxylic acid cefpiramide (6R,7R)-7-{[(2R)-2-{[(4-hydroxy-6-methylpyridin-3-yl)carbonyl]amino}-2-(4-hydroxyphenyl)acetyl]amino}-3-{[(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 612.121 612.63700 7beta-[(2R)-2-{[(4-hydroxy-6-methylpyridin-3-yl)carbonyl]amino}-2-(4-hydroxyphenyl)acetamido]-3-{[(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl}-3,4-didehydrocepham-4-carboxylic acid A third-generation cephalosporin antibiotic with [(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl and (R)-2-{[(4-hydroxy-6-methylpyridin-3-yl)carbonyl]amino}-2-(4-hydroxyphenyl)acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. It has a broad spectrum of antibacterial activity. Beilstein:8179314 C25H24N8O7S2 CAS:70797-11-4 CHEBI:59213 DrugBank:DB00430 Drug_Central:552 InChI=1S/C25H24N8O7S2/c1-11-7-16(35)15(8-26-11)20(36)27-17(12-3-5-14(34)6-4-12)21(37)28-18-22(38)33-19(24(39)40)13(9-41-23(18)33)10-42-25-29-30-31-32(25)2/h3-8,17-18,23,34H,9-10H2,1-2H3,(H,26,35)(H,27,36)(H,28,37)(H,39,40)/t17-,18-,23-/m1/s1 KEGG:D03428 PWAUCHMQEXVFJR-PMAPCBKXSA-N Patent:BE833063 Patent:US4156724 Patent:US4160087 Wikipedia:Cefpiramide [H][C@]12SCC(CSc3nnnn3C)=C(N1C(=O)[C@@]2([H])NC(=O)[C@H](NC(=O)c1cnc(C)cc1O)c1ccc(O)cc1)C(O)=O cefpiramide cefpiramido cefpiramidum chebi_ontology