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