Methyl 3-bromo-2-cyano-6-(trifluoromethoxy)pyridine-4-carboxylate
5-Bromo-3-(difluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine
3-Bromo-4-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine
3-Bromo-2-(difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine