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