(-)-5-amino-7-((S)-7-amino-5-azaspiro(2,4)hept-5-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methyl-4-oxo-3-Quinolinecarboxylic acid, 167887-97-0 3-Quinolinecarboxylic acid, 5-amino-7-(7-amino-5-azaspiro(2,4)hept-5-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methyl-4-oxo-, (S)- HSR 903 HSR-903 Olamufloxacin Olamufloxacin [INN]