Ethyl 3-methoxy-5-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-(bromomethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 5-methoxy-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate
2-Methoxy-4-methyl-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine