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