5-Chloro-3-fluoro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
6-Chloro-4-cyano-3-methyl-2-(trifluoromethoxy)pyridine
3-Chloro-5-fluoro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Chloro-4-cyano-3-methyl-5-(trifluoromethoxy)pyridine
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