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