5-Chloro-4-(difluoromethyl)-2-fluoro-3-iodopyridine
5-Bromo-2-(bromomethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine
5-Chloro-4-(difluoromethyl)-3-fluoro-2-iodopyridine
4-Bromo-3-(bromomethyl)-6-(difluoromethyl)-2-(trifluoromethyl)pyridine
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