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