3-Hydroxy-4-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Hydroxy-5-methoxy-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
4-Hydroxy-2-methyl-3-nitro-5-(trifluoromethoxy)pyridine
3-Hydroxy-2-methyl-5-nitro-6-(trifluoromethoxy)pyridine
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