4-Bromo-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-acetonitrile
3-Amino-5-(difluoromethyl)-2-iodopyridine-6-carbonyl chloride
3-Bromo-2-fluoro-4-mercaptopyridine
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