2-Chloro-3-methoxypyridine-4-sulfonyl chloride
2,6-Di(pyridin-3-yl)benzene-1-sulfonyl chloride
2-Cyano-4-iodo-3-(trifluoromethoxy)pyridine-5-sulfonamide
5-Chloro-2-methoxypyridine-3-sulfonyl chloride
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