2-(Bromomethyl)-3-iodo-4-methoxy-6-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-iodo-4-methoxy-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-3-(difluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-iodo-5-methoxy-2-(trifluoromethoxy)pyridine