4-Bromo-3-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonamide
3-Bromo-5-(chloromethyl)-4-methyl-2-(trifluoromethoxy)pyridine
4-Bromo-2-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
5-Bromo-4-(chloromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
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