4-(Bromomethyl)-2-(difluoromethyl)-3-iodo-6-methylpyridine
3-(Bromomethyl)-2-(difluoromethyl)-5-fluoro-4-(trifluoromethoxy)pyridine
5-Bromo-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride