2,3-Diamino-4-(difluoromethyl)-6-methylpyridine
3,4-Difluoro-2-(difluoromethyl)pyridine-5-sulfonamide
3,4-Diamino-6-(difluoromethyl)-2-methoxypyridine
3-Amino-2,5-dibromo-4-(difluoromethyl)pyridine
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