6-Amino-2-bromo-4-(bromomethyl)-3-(difluoromethyl)pyridine
5-Cyano-4-(difluoromethyl)-2,3-diiodopyridine
2-Amino-4-bromo-3-(difluoromethyl)-5-iodopyridine
4-Chloro-2-(difluoromethyl)-3,5-diiodopyridine
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