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