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