3-Chloro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
5-Chloro-4-(fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine
3-Chloro-4-(fluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine
3-Chloro-2-(fluoromethyl)-6-iodo-5-(trifluoromethoxy)pyridine