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