2-Hydroxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-Iodo-4-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Ethyl 2-bromo-3-(chloromethyl)-5-(difluoromethyl)pyridine-4-carboxylate
2-Fluoro-3-fluoromethyl-5-iodopyridine
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