2-(Chloromethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Chloromethyl)-3-hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine
5-(Fluoromethyl)-3-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylic acid