2-Hydroxy-4-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde