3-(Bromomethyl)-6-iodo-4-nitro-2-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-(difluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine
5-(Bromomethyl)-4-iodo-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-(Bromomethyl)-5-iodo-3-nitro-2-(trifluoromethoxy)pyridine