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