2-Hydroxy-3-methoxy-4-nitro-5-(trifluoromethoxy)pyridine
5-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-Hydroxy-2-methoxy-3-methyl-4-(trifluoromethoxy)pyridine
4-Hydroxy-5-methoxy-3-methyl-2-(trifluoromethoxy)pyridine
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