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