4-Amino-5-bromo-2-(chloromethyl)-3-(difluoromethyl)pyridine
3-(Bromomethyl)-6-(difluoromethyl)-2,5-diiodopyridine
4-Chloro-2-(difluoromethyl)-3,6-diiodopyridine
4-Amino-6-bromo-2-(chloromethyl)-3-(difluoromethyl)pyridine
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