754853 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8924 -3.6037 0.0000 Ta 3 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 184 M END > 0 > 0 > 754853 > 3 > ChemIDplus > 015701210 > 15701-21-0 184Ta Tantalum, isotope of mass 184 Tantalum-184 > 15701-21-0 > 015701210 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015701210 > 177633 1 $$$$