755389 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 6.1405 -3.6024 0.0000 Tl 0 4 0 0 0 0 0 0 0 0 0 0 M RAD 1 1 2 M ISO 1 1 197 M END > 0 > 0 > 755389 > 3 > ChemIDplus > 014107529 > 14107-52-9 197Tl Thallium, isotope of mass 197 Thallium-197 > 14107-52-9 > 014107529 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014107529 > 6337615 1 $$$$