3-Chloro-2-cyano-5-(difluoromethyl)pyridine-4-carbonyl chloride
Ethyl 5-chloro-2-cyano-4-(difluoromethyl)pyridine-3-acetate
2-Chloro-4-cyano-5-(difluoromethyl)pyridine-3-sulfonamide
3-Chloro-5-cyano-4-(difluoromethyl)pyridine-2-sulfonyl chloride
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