quinolines Grepafloxacin 359.165 359.395 AIJTTZAVMXIJGM-UHFFFAOYSA-N C19H22FN3O3 CAS:119914-60-2 CC1CN(CCN1)c1cc2n(cc(C(O)=O)c(=O)c2c(C)c1F)C1CC1 CHEBI:5543 Drug_Central:1330 Grepafloxacin InChI=1S/C19H22FN3O3/c1-10-8-22(6-5-21-10)15-7-14-16(11(2)17(15)20)18(24)13(19(25)26)9-23(14)12-3-4-12/h7,9-10,12,21H,3-6,8H2,1-2H3,(H,25,26) KEGG:C11368 chebi_ontology grepafloxacin HCl grepafloxacin hydrochloride grepafloxacin hydrochloride hydrate tomefloxacin quinolone antibiotic fluoroquinolone antibiotic