2-(Difluoromethyl)-3-iodopyridine-4-carboxaldehyde
3-Chloro-5-(difluoromethyl)pyridine-2-acetic acid
3-(Bromomethyl)-2-cyano-4-(difluoromethyl)pyridine
4-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid
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