piperidines nadifloxacin 360.149 360.37952 9-fluoro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid Acuatim Beilstein:4212500 C19H21FN2O4 CAS:124858-35-1 CC1CCc2c(N3CCC(O)CC3)c(F)cc3c2n1cc(C(O)=O)c3=O CHEBI:31889 Drug_Central:1864 InChI=1S/C19H21FN2O4/c1-10-2-3-12-16-13(18(24)14(19(25)26)9-22(10)16)8-15(20)17(12)21-6-4-11(23)5-7-21/h8-11,23H,2-7H2,1H3,(H,25,26) JYJTVFIEFKZWCJ-UHFFFAOYSA-N KEGG:D01147 LINCS:LSM-5007 NDFX Nadifloxacin OPC-7251 chebi_ontology pyridoquinoline quinolone antibiotic