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