Ethyl 5-fluoro-4-nitro-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 6-fluoro-2-nitro-3-(trifluoromethoxy)pyridine-4-acetate
3-(Chloromethyl)-2-hydroxy-4-methyl-6-(trifluoromethoxy)pyridine
2-Fluoro-6-nitro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride