4-Bromo-2-cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine
3-Bromo-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
2-Bromo-5-chloro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Bromo-4-chloro-2-(trifluoromethoxy)pyridine-3-carboxylic acid