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