4-Bromo-2-(difluoromethyl)-3,6-diiodopyridine
3-Bromo-4-(difluoromethyl)-2,5-diiodopyridine
3-(Chloromethyl)-6-(difluoromethyl)-2,5-diiodopyridine
3-Bromo-2-(difluoromethyl)-4,6-diiodopyridine
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