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3-{1-[(2,4-Dinitrophenyl)hydrazino]-ethyl-idene}-5-(1-methylpropyl)pyrrolidine-2,4-dione. 2009

David Siegel, and Stefan Merkel, and Matthias Koch, and Franziska Emmerling, and Irene Nehls
Bundesanstalt für Materialforschung und -prüfung, Abteilung Analytische Chemie; Referenzmaterialien, Richard-Willstätter-Strasse 11, D-12489 Berlin-Adlershof, Germany.

In the title compound, C(16)H(19)N(5)O(6), two intramolecular N-H⋯O hydrogen bonds help to establish the conformation. In the crystal, intermolecular N-H⋯O links result in chains propagating in [010].

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