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