4-Hydroxy-5-iodo-2-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Hydroxy-4-methyl-5-(trifluoromethoxy)pyridine-3-carbonyl chloride
4-Hydroxy-3-iodo-5-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Hydroxy-3-methyl-5-(trifluoromethoxy)pyridine-4-carbonyl chloride