4-(Chloromethyl)-2-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-sulfonyl chloride
3,5-Bis(2,3-dichlorophenyl)-2-mercaptopyridine
3-Bromo-5-methoxypyridine-2-sulfonyl chloride
4-Iodo-3-methyl-2-(trifluoromethoxy)pyridine
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