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