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