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