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