2,3-Difluoro-4-hydroxy-5-(trifluoromethoxy)pyridine
2,6-Difluoro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
2,4-Difluoro-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Chloro-4,6-difluoro-2-(trifluoromethoxy)pyridine
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