2-Methoxy-4-nitro-5-(trifluoromethoxy)pyridine-3-acetic acid
2-Methoxy-3-nitro-6-(trifluoromethoxy)pyridine-5-acetic acid
Ethyl 3-methoxy-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-methoxy-4-nitro-5-(trifluoromethoxy)pyridine-2-carboxylate