Ethyl 2-(trifluoromethyl)-6-(2-(trifluoromethyl)phenyl)isonicotinate
Ethyl 2-(trifluoromethyl)-3-(4-(trifluoromethyl)phenyl)isonicotinate
Ethyl 2-(trifluoromethyl)-3-(3-(trifluoromethyl)phenyl)isonicotinate
Ethyl 2-(trifluoromethyl)-3-(2-(trifluoromethyl)phenyl)isonicotinate