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Acta Cryst. (2013). E69, o768  [ doi:10.1107/S1600536813010180 ]


R. Venkateswaramoorthi, S. Rizwana Begum, R. Hema, K. Krishnasamy and A. G. Anitha

Abstract: In the title compound, C18H21NO3, the bicyclic ring system adopts a twin-chair conformation. The two methyl groups attached to the bicycle are in an equatorial orientation for both rings. One of the furan rings is disordered over two orientations with an occupancy ratio of 0.686 (6):0.314 (6). In the crystal, very long N-H...O hydrogen bonds connect the molecules into a chain perpendicular to the ac plane.

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