2,4-Diamino-6-(difluoromethyl)-3-iodopyridine
2,6-Diamino-3-(difluoromethyl)-4-(trifluoromethyl)pyridine
3,6-Diamino-4-(difluoromethyl)-2-(trifluoromethyl)pyridine
2,3-Diamino-6-(difluoromethyl)-4-iodopyridine
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