3-Cyano-4-(difluoromethyl)-5-methylpyridine-2-sulfonyl chloride
2-Amino-4-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxylic acid
3-(Chloromethyl)-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylic acid
2,4-Dichloro-3-(trifluoromethoxy)pyridine-6-sulfonamide