3-Bromo-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Bromo-3-fluoro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
6-Bromo-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Bromo-6-fluoro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride