Ethyl 2-(bromomethyl)-5-cyano-6-(trifluoromethoxy)pyridine-3-acetate
2-(Bromomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-6-carboxylic acid
6-Fluoro-2-iodo-4-nitro-3-(trifluoromethoxy)pyridine
Ethyl 6-(bromomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-3-acetate