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