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