2-Bromo-3-chloro-6-cyano-5-(difluoromethyl)pyridine
Ethyl 5-amino-4-(chloromethyl)-3-(difluoromethyl)pyridine-2-acetate
Ethyl 5-amino-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 3-amino-4-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-carboxylate