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