2-Nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetonitrile
6-Bromo-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-Chloro-3-(difluoromethyl)-2-hydroxy-4-(trifluoromethyl)pyridine
2-Hydroxy-3-methyl-5-(trifluoromethoxy)pyridine-6-carboxaldehyde