3-(Chloromethyl)-2-(difluoromethyl)pyridine-6-sulfonamide
3-(Difluoromethyl)-5-nitropyridine-2-carboxylic acid
3-(Difluoromethyl)-4-nitropyridine-2-carboxylic acid
2-(Difluoromethyl)-6-nitropyridine-3-carboxylic acid
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