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