3-Amino-2-(difluoromethyl)-5-(trifluoromethyl)pyridine-4-acetonitrile
2-Amino-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-acetonitrile
4-Amino-3-(chloromethyl)-5-(difluoromethyl)pyridine-2-methanol
2-Amino-6-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetonitrile