4-Bromo-3-methyl-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Bromo-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetic acid
4-Bromo-2-methyl-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Bromo-6-hydroxy-2-(trifluoromethoxy)pyridine-3-acetic acid