5-(Chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Chloromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
6-(Aminomethyl)-4-cyano-2-nitro-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-6-acetic acid