Insuasty Braulio, Torres Harlen, Cobo Justo, Low John N, Glidewell Christopher
Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad de Valle, AA 25360 Cali, Colombia.
Acta Crystallogr C. 2006 Jan;62(Pt 1):o30-2. doi: 10.1107/S0108270105038023. Epub 2005 Dec 16.
In the title compound, C19H16ClN5O2, the molecules are linked into chains of edge-fused rings by a combination of two independent C-H...O hydrogen bonds, augmented by a centrosymmetric pi-pi stacking interaction.