Ethyl 2-(perfluorophenyl)-4-(trifluoromethyl)nicotinate
Ethyl 3-(perfluorophenyl)-2-(trifluoromethyl)isonicotinate
Ethyl 2-(perfluorophenyl)-6-(trifluoromethyl)isonicotinate
Ethyl 2-(perfluorophenyl)-5-(trifluoromethyl)isonicotinate
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