754746 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 6.6125 -2.5583 0.0000 Tb 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 153 M END > 0 > 0 > 754746 > 3 > ChemIDplus > 014981987 > 14981-98-7 153Tb Terbium, isotope of mass 153 Terbium-153 > 14981-98-7 > 014981987 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014981987 > 177531 1 $$$$