Methyl 4-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine-2-acetate
4-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 4-hydroxy-6-iodo-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 4-hydroxy-2-iodo-5-(trifluoromethoxy)pyridine-3-acetate