Other ; Related Article: Kamil Weinberg, Axel Stoit, Chris G. Kruse, Mairi F. Haddow, Timothy Gallagher|2013|Tetrahedron|69|4694|doi:10.1016/j.tet.2013.03.064 ; Abstract ; 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.