2-Chloro-3-hydroxy-4-nitro-5-(trifluoromethoxy)pyridine
4-Chloro-3-fluoro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Chloro-5-fluoro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
5-Chloro-4-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine
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