4-Bromo-2-(difluoromethyl)-5-iodopyridine-3-carboxaldehyde
3-(Bromomethyl)-5-chloro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-(Chloromethyl)-2-(difluoromethyl)pyridine-3-methanol
2-Chloro-4-cyano-3-(difluoromethyl)pyridine-5-carboxylic acid
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