3,4-Diamino-2-(difluoromethyl)-5-iodopyridine
2,6-Dichloro-3-(difluoromethyl)-4-(trifluoromethyl)pyridine
2,6-Diamino-3-(difluoromethyl)-4-iodopyridine
3,6-Diamino-4-(difluoromethyl)-2-iodopyridine
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