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