3-(Aminomethyl)-4-cyano-5-(difluoromethyl)pyridine-2-acetonitrile
5-Amino-2-(chloromethyl)-4-(difluoromethyl)pyridine-3-carboxaldehyde
2-(Bromomethyl)-4-fluoro-3-(trifluoromethoxy)pyridine
2-Chloro-6-iodopyridine-4-sulfonyl chloride
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