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