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