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