quinolines Sitafloxacin 409.100 409.81400 C19H18ClF2N3O3 CAS:127254-12-0 CHEBI:4304 DU-6859 Drug_Central:2449 InChI=1S/C19H18ClF2N3O3/c20-14-15-8(17(26)9(18(27)28)5-25(15)12-4-10(12)21)3-11(22)16(14)24-6-13(23)19(7-24)1-2-19/h3,5,10,12-13H,1-2,4,6-7,23H2,(H,27,28)/t10-,12+,13+/m0/s1 KEGG:C11248 N[C@@H]1CN(CC11CC1)c1c(F)cc2c(c1Cl)n(cc(C(O)=O)c2=O)[C@@H]1C[C@@H]1F PNUZDKCDAWUEGK-CYZMBNFOSA-N Sitafloxacin chebi_ontology gracevit sitafloxacin hydrate quinolone antibiotic fluoroquinolone antibiotic