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