5-Bromo-2-methoxy-4-(trifluoromethoxy)pyridine-3-sulfonamide
3-Bromo-4-(chloromethyl)-2-cyano-5-(trifluoromethoxy)pyridine
5-Bromo-4-chloro-3-(trifluoromethoxy)pyridine-2-methanol
3-Bromo-2-(chloromethyl)-4-cyano-5-(trifluoromethoxy)pyridine
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