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