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