Ethyl 2-bromo-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
3-Bromo-2-hydroxy-5-(trifluoromethoxy)pyridine-6-sulfonamide
2-Bromo-5-fluoro-3-(trifluoromethoxy)pyridine-4-sulfonamide
4-Bromo-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid