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