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