Methyl 2-(bromomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
3-(Difluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 2-(bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
2-(Difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxaldehyde