2,6-Dihydroxy-3-methyl-5-(trifluoromethoxy)pyridine
2,5-Difluoro-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3,6-Dihydroxy-2-methyl-4-(trifluoromethoxy)pyridine
4,6-Difluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
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