2-Fluoro-4-mercapto-3-(trifluoromethyl)pyridine
2-Cyano-6-methyl-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Hydroxy-2-iodopyridine-6-sulfonyl chloride
3-Bromo-5-(chloromethyl)-2-(difluoromethyl)pyridine-6-methanol
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