Ethyl 2-cyano-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-(chloromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-acetate
4-Bromo-6-(bromomethyl)-3-(difluoromethyl)-2-fluoropyridine
2-(Difluoromethyl)-5-hydroxy-3-iodopyridine-4-methanol