3-Hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
5-Iodo-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine-3-carbonyl chloride
4-Hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine-2-carbonyl chloride