image/svg+xmlOpenclipartSn(II) hetero-bimetallic cryptand2013-03-10T01:53:56This is a molecule that was prepared in the Cummins laboratory at the Massachusetts Institute of Technology.https://openclipart.org/detail/175642/znsn-bi-metallic-cryptand-by-jstauber-175642jstauberMITccclabchemistrycryptandcumminshetero-bimetallictin