Methyl 5-(trifluoromethyl)-2-(4-(trifluoromethyl)phenyl)isonicotinate
Methyl 2-(trifluoromethyl)-3-(4-(trifluoromethyl)phenyl)isonicotinate
Methyl 5-(trifluoromethyl)-2-(2-(trifluoromethyl)phenyl)isonicotinate
Methyl 2-(trifluoromethyl)-6-(4-(trifluoromethyl)phenyl)isonicotinate