Methyl 5-(difluoromethyl)-3-hydroxy-2-(trifluoromethyl)pyridine-4-acetate
4-(Difluoromethyl)-2-iodo-5-methoxypyridine-3-carbonyl chloride
3-(Chloromethyl)-5-(difluoromethyl)-2-iodo-6-nitropyridine
5-(Difluoromethyl)-3-iodo-2-methoxypyridine-4-carbonyl chloride