2-Fluoro-4-nitro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Fluoro-3-nitro-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetic acid
Ethyl 3-fluoro-2-nitro-6-(trifluoromethoxy)pyridine-4-acetate