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