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