4-Chloro-2-(trifluoromethoxy)pyridine-3-sulfonamide
5-Chloro-3-(trifluoromethoxy)pyridine-2-sulfonamide
3-Chloro-5-(trifluoromethoxy)pyridine-4-sulfonamide
3-Chloro-5-(trifluoromethoxy)pyridine-2-sulfonamide
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