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5-(Aminosulfonyl)-2-chloro-3-pyridinecarboxylic acid

5-(Chlorosulfonyl)-1,2-dihydro-2-oxo-3-pyridinecarboxylic acid

3-[(Cyclopropylamino)sulfonyl]-4-methoxybenzoic acid

4-Methoxy-3-[(propylamino)sulfonyl]benzoic acid

3-[(Ethylamino)sulfonyl]-4-methoxybenzoic acid

4-Bromo-3-[(cyclopropylamino)sulfonyl]benzoic acid

4-Bromo-3-[(propylamino)sulfonyl]benzoic acid

4-Bromo-3-[(ethylamino)sulfonyl]benzoic acid

4-Bromo-3-[(methylamino)sulfonyl]benzoic acid

4-Chloro-3-[[(2-methoxyethyl)amino]sulfonyl]benzoic acid