2,3-Diamino-6-(difluoromethyl)-4-(trifluoromethyl)pyridine
2,3-Diamino-4-(difluoromethyl)-6-(trifluoromethyl)pyridine
2-(Chloromethyl)-3,5-diamino-6-(difluoromethyl)pyridine
6-(Chloromethyl)-3,4-diamino-2-(difluoromethyl)pyridine
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