S1 Directed derivatization of organotin sulfide compounds: synthesis and self-assembly of an SnS backpack-like cage and a CuSnS ternary cluster Mohammad Reza Halvagar, Zohreh Hassanzadeh Fard and Stefanie Dehnen* Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, D-35043 Marburg, Germany email: dehnen@chemie.uni-marburg.de SUPPORTING INFORMATION Supplementary Material (ESI) for Chemical Communications This journal is (c) The Royal Society of Chemistry 2010