Acta Cryst. (2013). E69, o278 [ doi:10.1107/S1600536813001578 ]
Abstract: In the title compound, C21H20FN3O5, the the pyrrolidine ring makes dihedral angles of 84.91 (6) and 62.38 (7)° with the oxindole unit and the fluorophenyl ring, respectively. The pyrrolidine ring assumes an envelope conformation with the spiro C atom as the flap. The crystal packing features weak N-HN and C-HO hydrogen bonds.
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