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