Ethyl 2-(difluoromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate
4-Amino-3-cyano-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
3-Iodo-2-(perfluorophenyl)-6-(trifluoromethyl)pyridine
Ethyl 2-chloro-4-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylate