3-(Difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridine-2-sulfonyl chloride
3-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-sulfonyl chloride
3-Bromo-5-(bromomethyl)-6-(difluoromethyl)-2-nitropyridine
2-(Chloromethyl)-3-cyano-6-(difluoromethyl)-4-hydroxypyridine