4-Methoxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxaldehyde
3-Methoxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxaldehyde
3-Methoxy-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxaldehyde
3-Methoxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-carboxaldehyde