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In the title compound, C14H14ClNO2S, the conformation of the N—C bond in the C—SO2—NH—C segment has gauche torsions with respect to the S=O bonds. The mol­ecule is bent at the S atom with a C—SO2—NH—C torsion angle of −54.9 (2)°. The sulfonyl and aniline benzene rings are rotated relative to each other by 75.7 (1)°. An intra­molecular N—H...Cl hydrogen bond is present. In the crystal, inter­molecular N—H...O hydrogen-bonding inter­actions are observed and the mol­ecules are packed into chains parallel to the b axis.

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In the title compound, C14H14ClNO2S, the angle between the sulfonyl and aniline benzene rings is 65.5 (1)°. The crystal structure features inversion dimers linked by pairs of N—H...O hydrogen bonds. The dimethyl­phenyl ring is disordered over two different orientations approximately related by a 180° rotation about the C—N bond, with occupancies of 0.643 (6) and 0.357 (6).

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In the title compound, C8H9NO3S, the N—H bond is in an anti­periplanar conformation with respect to the C=O bond. The crystal packing is stabilized by N—H...O hydrogen bonds, generating C(4) chains propagating in [001].
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