3-(Chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-6-acetonitrile
5-Amino-2-(difluoromethyl)-4-iodopyridine-3-acetonitrile
3-Bromo-2-methoxypyridine-5-sulfonyl chloride
3-Amino-2-bromo-4-fluoro-6-(trifluoromethoxy)pyridine
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