4-Iodo-6-methyl-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Chloro-4-fluoro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Mercapto-3-(perfluorophenyl)-5-(trifluoromethyl)pyridine
3-Bromo-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxaldehyde