、                                                                                      
二甲胺   、                                                                                      
6,7-difluoro-4-oxo-1-(4-trifluoromethyl-benzyl)-1,4-dihydro-quinoline-3-carbonitrile                                                                                                                                                                                                                                                                                                          以gave 7-(dimethylamino)-6-fluoro-4-oxo-1-(4-(trifluoromethyl)benzyl)-1,4-dihydroquinoline-3-carbonitrile的产率得到7-(dimethylamino)-6-fluoro-4-oxo-1-(4-(trifluoromethyl)benzyl)-1,4-dihydroquinoline-3-carbonitrile