Ethyl 5-(trifluoromethyl)-2-(2-(trifluoromethyl)phenyl)isonicotinate
Ethyl 3-(trifluoromethyl)-2-(4-(trifluoromethyl)phenyl)isonicotinate
Ethyl 3-(trifluoromethyl)-2-(3-(trifluoromethyl)phenyl)isonicotinate
Ethyl 3-(trifluoromethyl)-2-(2-(trifluoromethyl)phenyl)isonicotinate