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
3-(Difluoromethyl)-2-iodo-4-(trifluoromethyl)pyridine-6-carboxylic acid