3-(Chloromethyl)-4-(difluoromethyl)-5-methylpyridine
5-(Aminomethyl)-2,3-diamino-6-(difluoromethyl)pyridine
3-(Difluoromethyl)-5-methoxypyridine-2-carbonyl chloride
4-(Aminomethyl)-2,3-diamino-5-(difluoromethyl)pyridine
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