5-Bromo-4-chloro-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Bromo-6-chloro-2-(chloromethyl)-3-(trifluoromethoxy)pyridine
3-Bromo-4-chloro-5-(trifluoromethoxy)pyridine-2-sulfonamide
4-Bromo-2-chloro-5-(chloromethyl)-3-(trifluoromethoxy)pyridine
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