2-(Difluoromethyl)-3-hydroxy-6-iodo-5-methoxypyridine
2-(Chloromethyl)-6-(difluoromethyl)-3-fluoro-4-(trifluoromethyl)pyridine
2-(Difluoromethyl)-4-hydroxy-3-iodo-5-nitropyridine
Methyl 3-(chloromethyl)-4-(difluoromethyl)-2-fluoropyridine-6-carboxylate