2-Cyano-3-(difluoromethyl)pyridine-4-sulfonyl chloride
5-(Aminomethyl)-3-(difluoromethyl)pyridine-2-carboxylic acid
2,5-Dibromo-4-(difluoromethyl)-3-nitropyridine
2-(Difluoromethyl)-6-nitropyridine-4-sulfonamide
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