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