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