2-(Fluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-(Fluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-(Fluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-(Fluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde