2-Cyano-3-iodo-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Bromo-2-chloro-6-(difluoromethyl)-3-iodopyridine
6-Fluoro-4-hydroxynicotinonitrile
Ethyl 2,4-difluoro-6-(difluoromethyl)pyridine-3-carboxylate
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