4-(Chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-3-acetic acid
3-(Chloromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-2-methanol
4-Hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
5-(Chloromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-acetic acid