2-Bromo-3-chloro-4-(trifluoromethoxy)pyridine-5-acetonitrile
5-Bromo-4-fluoro-2-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 3-amino-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
3-Bromo-4-fluoro-5-(trifluoromethoxy)pyridine-2-acetonitrile