3-Hydroxy-2-methyl-5-nitro-6-(trifluoromethoxy)pyridine
2-Hydroxy-6-methyl-3-nitro-4-(trifluoromethoxy)pyridine
5-Hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonamide
6-Hydroxy-3-methyl-4-nitro-2-(trifluoromethoxy)pyridine
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