6-Chloro-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-methanol
 
5-Chloro-4-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
 
3-Chloro-4-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
 
2-Chloro-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-methanol