Methyl 4-(chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-(chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-iodo-6-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
2-(Fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde