Ethyl 4-cyano-6-nitro-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 5-cyano-3-nitro-2-(trifluoromethoxy)pyridine-4-acetate
6-Fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-methanol
2-Fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-methanol