4-(Chloromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-2-acetic acid
4-(Chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-acetic acid
Methyl 2-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
5-Hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxylic acid