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