3,5-Diamino-2-(difluoromethyl)pyridine-4-sulfonamide
3,5-Dibromo-2-(difluoromethyl)-4-nitropyridine
3,4-Diamino-5-(difluoromethyl)pyridine-2-sulfonamide
3,4-Diamino-2-(difluoromethyl)pyridine-5-sulfonamide
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