2,4-Diamino-3-(difluoromethyl)pyridine-6-sulfonamide
2,3-Diamino-4-(difluoromethyl)pyridine-6-sulfonamide
3,6-Dibromo-2-(difluoromethyl)-5-methoxypyridine
4,5-Dibromo-2-(difluoromethyl)-3-iodopyridine
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