754984 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8556 -3.6004 0.0000 Sn 0 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 128 M END > 0 > 0 > 754984 > 3 > ChemIDplus > 016645968 > 128Sn 16645-96-8 Tin, isotope of mass 128 Tin-128 > 16645-96-8 > 016645968 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=016645968 > 6337596 1 $$$$