2-Amino-5-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-acetonitrile
6-Amino-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetonitrile
Ethyl 5-amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-4-acetate
2-Amino-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-5-acetonitrile