6-Bromo-4-mercaptopicolinonitrile
3-Cyano-6-fluoro-2-(trifluoromethoxy)pyridine-4-sulfonamide
3,6-Dichloro-2-(difluoromethyl)-4-iodopyridine
3-(Bromomethyl)-4-chloro-2-(difluoromethyl)-5-methylpyridine
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