Acta Cryst. (2013). E69, o1849-o1850 [ doi:10.1107/S1600536813031279 ]
Abstract: In the title compound, C19H16N2O6S, the pyrrolidine ring adopts a twisted conformation with puckering parameters q2 = 0.088 (3) Å and 2 = 61.5 (14)°. The cyclopentane ring adopts a twisted conformation with puckering parameters q2 = 0.099 (2) Å and 2 = 242.8 (14)°. A weak intramolecular O-HO interaction occurs. In the crystal, pairs of C-HO interactions generate dimers with graph-set motif R22(24) and they are interconnected by pairs of O-HO hydrogen bonds, which link the molecules into inversion dimers with graph-set motif R22(10).
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