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Acta Cryst. (2005). E61, o962-o963 [ doi:10.1107/S1600536805007099 ]
Abstract: The title compound, C20H20N4O4, is a potentially N,N'-bidentate donor ligand with two chiral C atoms. In the crystal structure, the molecules form centrosymmetric dimers via C-H
N hydrogen bonds.
Online 18 March 2005
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