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