Methyl 4-(difluoromethyl)-3-iodo-5-methoxypyridine-2-carboxylate
Methyl 4-(difluoromethyl)-5-hydroxy-3-(trifluoromethyl)pyridine-2-carboxylate
Methyl 3-(difluoromethyl)-5-iodo-4-methoxypyridine-2-carboxylate
4-(Difluoromethyl)-2-iodo-5-nitropyridine-3-sulfonyl chloride