Acta Cryst. (2012). E68, o380 [ doi:10.1107/S1600536812000311 ]
Abstract: Two molecules make up the asymmetric unit of the title compound, C12H18N4O2, and both feature an intramolecular O-HN hydrogen bond, which generates an S(6) ring. The diethylamino group of one of the molecules is disordered over two sets of sites in a 0.59 (2):0.41 (2) ratio. In the crystal, N-HO hydrogen bonds link the molecules into sheets lying parallel to the ac plane and C-H interactions are also observed.
Online 14 January 2012
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