3-(Bromomethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-(Bromomethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-(Difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
3-(Difluoromethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-2-acetonitrile