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The mol­ecular structure of the title compound, C12H19NO5, may be visualized as made up of two nearly perpendicular planes [dihedral angle = 87.39 (12)°] and its crystal structure is a good example of C—H...O inter­actions assuming significance in optimizing supra­molecular aggregation in crystals in a mol­ecule which is severely imbalanced in terms of donors to acceptor atoms. The pyrrolidine ring adopts a (3T2) twist conformation with puckering parameters Q = 0.2630 (4) Å and φ = 59 (9)°. The crystal structure features R24(10) and R34(26) ring motifs formed by four weak C—H...O inter­actions, leading to supra­molecular sheets lying parallel to the bc plane.
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