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