4-(Difluoromethyl)-2-hydroxy-6-nitropyridine-3-carboxamide
Ethyl 3-bromo-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
3-(Chloromethyl)-4-cyano-2-(trifluoromethoxy)pyridine-5-acetonitrile
Ethyl 2-amino-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate