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