Ethyl 3-bromo-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
2-(Chloromethyl)-5-(difluoromethyl)pyridine-3-acetonitrile
Methyl 2-cyano-3-iodo-4-(trifluoromethoxy)pyridine-5-carboxylate
2-(Difluoromethyl)-4-methoxy-3-nitropyridine-6-methanol