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