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