3-Cyano-5-methoxy-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Chloro-4-phenylpyridine-5-sulfonyl chloride
3-Hydroxymethyl-6-methyl-2-(trifluoromethyl)pyridine
3-Cyano-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
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