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