1-Cyclopropyl-6,8-difluoro-1,4-dihydro-7-(2,6-dimethyl-4-pyridinyl)-4-oxo-3-quinolinecarboxyic acid 1-Cyclopropyl-7-(2,6-dimethyl-4-pyridinyl)-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid 123942-05-2 3-Quinolinecarboxylic acid, 1-cyclopropyl-7-(2,6-dimethyl-4-pyridinyl)-6,8-difluoro-1,4-dihydro-4-oxo- Cpfdm-3-qca