1 23 Transition Metal Chemistry ISSN 0340-4285 Transition Met Chem DOI 10.1007/s11243-014-9895-9 Aqua substitution by biologically relevant nucleophiles in dinuclear platinum(II) complexes linked by diamino linkers with cyclohexyl groups Mathias Chipangura, Allen Mambanda & Deogratius Jaganyi