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Acta Cryst. (2013). C69, 915-919  [ doi:10.1107/S0108270113017563 ]

Two methyl 3-(1H-pyrazol-4-yl)octa­hydro­pyrrolo­[3,4-c]pyrrole-1-carboxyl­ates form different hydrogen-bonded sheets

J. Quiroga, J. Gálvez, J. Cobo and C. Glidewell

Synopsis: Two very closely related pyrrolo[3,4-c]pyrrole derivatives form hydrogen-bonded sheets using a different combination of C-H...N, C-H...O and C-H...[pi] interactions.

Formula: C25H24N4O4 and C25H23ClN4O4

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