5-Methoxy-2-nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-Methoxy-3-nitro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Ethyl 2-(fluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Ethyl 6-(fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-2-acetate