1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-((3R)-3-((1S)-1-(methylamino)ethyl)-1-pyrrolidinyl)-4-oxo-3-quinolinecarboxylic acid 143383-65-7 3-Quinolinecarboxylic acid, 1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-(1-(methylamino)ethyl)-1-pyrrolidinyl)-4-oxo-, (S-(R*,S*))- Premafloxacin Premafloxacin [USAN:INN] U-95376