Methyl 3-iodo-5-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate
5-(Chloromethyl)-3-cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
6-Bromo-4-(difluoromethyl)-2-methoxypyridine-3-carbonyl chloride
5-Chloro-2-(chloromethyl)-3-(difluoromethyl)-6-methylpyridine