3-Fluoro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
6-Fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 3-hydroxy-2-nitro-5-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-5-acetate