5-Bromo-4-chloro-3-(chloromethyl)-2-(difluoromethyl)pyridine
2-Chloro-3-fluoro-6-mercaptopyridine
3-Bromo-5-methyl-4-nitro-2-(trifluoromethoxy)pyridine
4-Chloro-2-methoxypyridine-6-sulfonyl chloride
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