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