6-Bromo-4-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine
4-Bromo-2-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine
5-Bromo-4-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
2-Bromo-6-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
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