Ethyl 2-(2,3,4-trichlorophenyl)-4-(trifluoromethyl)nicotinate
Ethyl 3-(3,4,5-trichlorophenyl)-2-(trifluoromethyl)isonicotinate
Ethyl 3-(2,4,6-trichlorophenyl)-2-(trifluoromethyl)isonicotinate
Ethyl 3-(2,3,4-trichlorophenyl)-2-(trifluoromethyl)isonicotinate