Ethyl 2-hydroxy-4-methoxy-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine-4-acetate
4-Hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-5-carbonyl chloride
Ethyl 2-fluoro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate