2,3-Diamino-4-(difluoromethyl)-5-methoxypyridine
3,5-Dichloro-2-(difluoromethyl)-4-methylpyridine
3,5-Diamino-2-(difluoromethyl)-4-iodopyridine
3,4-Dichloro-2-(difluoromethyl)-5-(trifluoromethyl)pyridine
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