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
3-Hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxylic acid