Methyl 2-bromo-5-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
4-Bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
6-(Aminomethyl)-4-bromo-3-nitro-2-(trifluoromethoxy)pyridine
4-Bromo-2-hydroxy-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride