3734037 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734037 > 2 > ChemIDplus > 014133676 > 14133-67-6 207Tl Thallium, isotope of mass 207 Thallium-207 > 14133-67-6 > 014133676 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014133676 $$$$