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