(2013/04/24)
1-cyclopropyl-6,7-dimethoxy-4-oxo-1,4-dihydroquinolin-3-carboxylic acid
ethyl 1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylate
ethyl 3-(dimethylamino)-2-(2,4,5-trifluorobenzoyl)prop-2-enoate
2,4,5-trifluorobenzoyl chloride
1-cyclopropyl-6,7-dihydroxy-4-oxo-1,4-dihydroquinolin-3-carboxylic acid