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