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