乙酰苯胺

5,6,7-trifluoro-1,4-dihydroquinoxaline-2,3-dione

1-乙基-6,7,8-三氟-1,4-二氢-4-氧代-3-喹啉甲酸乙酯

2,3-二氟苯甲醚

2-(2,3,4-trifluorophenoxy)acetic acid