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