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