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