5-Bromo-3-(difluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
4-Bromo-5-methoxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
5-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
6-Bromo-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile