5-(Aminomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-acetonitrile
4-(Aminomethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetonitrile
4-(Aminomethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-acetonitrile
4-(Aminomethyl)-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetonitrile