Ethyl 2-(aminomethyl)-4-cyano-3-(difluoromethyl)pyridine-5-carboxylate
Ethyl 6-amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-4-acetate
3-Cyano-2-methoxy-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-(Chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-acetonitrile