100325-51-7 3-Quinolinecarboxylic acid, 1,4-dihydro-6,8-difluoro-1-ethyl-4-oxo-7-(4-pyridinyl)- 3-Quinolinecarboxylic acid, 1-ethyl-6,8-difluoro-1,4-dihydro-4-oxo-7-(4-pyridinyl)- (9CI) CCRIS 2955 CP 67015 CP-67,015