3-(Chloromethyl)-5-(difluoromethyl)pyridine-4-carbonyl chloride
3,4-Diamino-6-(difluoromethyl)pyridine-2-sulfonamide
3-(Chloromethyl)-4-(difluoromethyl)pyridine-5-carbonyl chloride
3,4-Diamino-2-(difluoromethyl)pyridine-6-sulfonamide
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