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