3-Bromo-2,6-dihydroxy-5-(trifluoromethoxy)pyridine
4,5-Difluoro-2-hydroxy-3-(trifluoromethoxy)pyridine
3,5-Dihydroxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
3,4-Dihydroxy-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
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