3733931 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733931 > 2 > ChemIDplus > 013967663 > 13967-66-3 Iridium, isotope of mass 191 Iridium-191 > 13967-66-3 > 013967663 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013967663 $$$$