2-Chloro-3-(difluoromethyl)-6-methoxypyridine-4-sulfonamide
2-Chloro-4-(chloromethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine
2-(Bromomethyl)-4-chloro-6-(difluoromethyl)-3-methylpyridine
6-Cyano-3-(difluoromethyl)-2-hydroxypyridine-4-sulfonyl chloride