Methyl 3-(chloromethyl)-5-cyano-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-(chloromethyl)-4-cyano-6-(trifluoromethoxy)pyridine-2-acetate
6-Cyano-4-(fluoromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetonitrile