Other ; Related Article: Lucia Viglianti, Nelson L. C. Leung, Ni Xie, Xinggui Gu, Herman H. Y. Sung, Qian Miao, Ian D. Williams, Emanuela Licandro, Ben Zhong Tang|2016|Chemical Science|||doi:10.1039/C6SC05192H ; 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.