127294-71-7 3-Quinolinecarboxylic acid, 1,4-dihydro-5-amino-7-(3-amino-1-piperidinyl)-1-cyclopropyl-6,8-difluoro-4-oxo- 5-Amino-7-(3-amino-1-piperidinyl)-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid