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