2-(Bromomethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Difluoromethyl)-2-iodo-6-(trifluoromethoxy)pyridine-5-acetic acid
2-(Bromomethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Difluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine-4-acetic acid