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