2-Chloro-4-cyano-3-(difluoromethyl)pyridine-6-sulfonyl chloride
4-Chloro-2-cyano-3-(difluoromethyl)pyridine-6-carbonyl chloride
2-(Aminomethyl)-6-chloro-3-(difluoromethyl)pyridine-4-carboxylic acid
3-Chloro-6-cyano-4-(difluoromethyl)pyridine-2-sulfonamide