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