2-Cyano-4-(difluoromethyl)pyridine-6-carboxaldehyde
3-(Bromomethyl)-4-(difluoromethyl)pyridine-5-sulfonamide
3-(Bromomethyl)-2-(difluoromethyl)pyridine-5-sulfonamide
5-Cyano-4-(difluoromethyl)pyridine-2-sulfonyl chloride
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