4-Hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-Hydroxy-4-methyl-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
5-Hydroxy-3-iodo-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-6-carbonyl chloride