5-Fluoro-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Difluoromethyl)-6-fluoro-2-methoxy-5-(trifluoromethoxy)pyridine
3-Fluoro-2-methoxy-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-(Difluoromethyl)-2-fluoro-3-methoxy-6-(trifluoromethoxy)pyridine