Related Article: D.S.van Es, M.J.van Eis, S.N'Krumah, N.Gret, A.Egberts, M.de Rijke, F.J.J.de Kanter, W.H.de Wolf, F.Bickelhaupt, A.L.Spek|2001|Heterocycles|54|799|doi:10.3987/COM-00-S(I)74,An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.,