3-Chloro-4-methoxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Chloro-2-methoxy-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Chloro-2-methoxy-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Chloro-3-methoxy-4-(trifluoromethoxy)pyridine-6-carboxaldehyde