ethyl 3-(4-fuoroanilino)-2-(2,4,5-trifuorobenzoyl)acrylate

6,7-二氟-1-(4-氟苯基)-4-氧代-1,4-二氢喹啉-3-羧酸

N,N-二甲基甲酰胺二甲基缩醛

4-氟苯胺