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