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