2-(Bromomethyl)-3-(difluoromethyl)pyridine-5-sulfonamide
2-(Difluoromethyl)-4-nitropyridine-3-sulfonamide
4-Cyano-5-(difluoromethyl)pyridine-2-acetonitrile
4-(Bromomethyl)-3-(difluoromethyl)pyridine-5-sulfonyl chloride
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