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