2-Bromo-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Chloro-4-cyano-6-fluoro-2-(trifluoromethoxy)pyridine
4-Bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Chloro-4-cyano-2-fluoro-6-(trifluoromethoxy)pyridine