In the title compound, C(16)H(13)NO(3)S, the plane of the naphthalene ring system forms a dihedral angle of 64.66 (10)° with the benzene ring. The mol-ecular structure is stabilized by weak intra-molecular C-H⋯O inter-actions and the crystal packing is stabilized by weak inter-molecular N-H⋯O and C-H⋯O inter-actions and by π-π stacking inter-actions of the inversion-related naphthalene units [centroid-centroid distance of 3.7373 (14) Å].

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2967982PMC
http://dx.doi.org/10.1107/S1600536808041032DOI Listing

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