5-Chloro-2-(chloromethyl)-4-iodo-3-(trifluoromethoxy)pyridine
4-Chloro-5-(chloromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
6-Chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Chloro-3-(chloromethyl)-5-iodo-2-(trifluoromethoxy)pyridine