5-Bromo-2-(difluoromethyl)-3,4-diiodopyridine
3,4-Diamino-2-(difluoromethyl)-5-(trifluoromethyl)pyridine
2-(Chloromethyl)-3,4-diamino-5-(difluoromethyl)pyridine
2-(Difluoromethyl)-3,4-diiodo-5-fluoropyridine
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