2,5-Diamino-4-(difluoromethyl)pyridine-3-sulfonamide
4,6-Diamino-2-(difluoromethyl)pyridine-3-sulfonamide
2,6-Dichloro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
2,4-Diamino-5-(difluoromethyl)pyridine-3-sulfonamide
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