Abstract
In the crystal structure of the title compound, C13H15NO5S, the molecules exhibit weak S=O⋯H—C and C=O⋯H—C intermolecular interactions and arrange themselves into centrosymmetric dimers by means of π–π interactions (ring centroids are separated by 3.619 Å, while the closest C⋯C contacts are 3.514 Å). 1,2-Benzothiazines of this kind have a range of biological activities and are used as medicines in the treatment of inflammation and rheumatoid arthritis.
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