4-Bromo-2-hydroxy-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-(Aminomethyl)-5-bromo-6-(trifluoromethoxy)pyridine-3-methanol
2-(Aminomethyl)-4-bromo-3-methoxy-6-(trifluoromethoxy)pyridine
3-Bromo-5-hydroxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride