7-(4-amino-2-methylpyrrolodinyl)-(2,4-difluorophenyl)-1,4-dihydro-6-fluoro-4-oxoquinoline-3-carboxylic acid
7-(4-amino-2-methylpyrrolodinyl)-(2,4-difluorophenyl)-1,4-dihydro-6-fluoro-4-oxoquinoline-3-carboxylic acid