3-Bromo-2-methoxy-6-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 3-bromo-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Bromo-2-methoxy-5-(trifluoromethoxy)pyridine-4-sulfonamide
Methyl 5-bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate