4-(Difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine-2-acetonitrile
4-(Difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine-6-acetonitrile
5-(Difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine-4-acetonitrile
5-(Difluoromethyl)-3-methoxy-4-(trifluoromethyl)pyridine-2-acetonitrile