1-Cyclopropyl-8-(difluoromethoxy)-6-fluoro-7-[3(S)-methylpiperazin-1-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 128426-71-1 (UNDEFINED ISOMER) 128427-30-5 (UNDEFINED ISOMER, HCL SALT) 128427-54-3 (R_ISOMER, HCL SALT) 128427-55-4 (MONOHYDROCHLORIDE, S ISOMER) 153808-85-6 (S ISOMER) 3-Quinolinecarboxylic acid, 1-cyclopropyl-8-(difluoromethoxy)-6-fluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-, (S)- AIDS-086695 AIDS086695 CS940