4-Bromo-6-chloro-2-(trifluoromethoxy)pyridine-3-acetonitrile
5-Bromo-4-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4-Bromo-2-chloro-5-(trifluoromethoxy)pyridine-3-acetonitrile
4-Amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-methanol