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