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