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