Ethyl 3-(2-(trifluoromethoxy)phenyl)-2-(trifluoromethyl)isonicotinate
Ethyl 2-(4-(trifluoromethoxy)phenyl)-6-(trifluoromethyl)isonicotinate
Ethyl 2-(4-(trifluoromethoxy)phenyl)-5-(trifluoromethyl)isonicotinate
Ethyl 2-(4-(trifluoromethoxy)phenyl)-3-(trifluoromethyl)isonicotinate