754771 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8946 -3.6024 0.0000 Tb 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 149 M END > 0 > 0 > 754771 > 3 > ChemIDplus > 015065937 > 149Tb 15065-93-7 Terbium, isotope of mass 149 Terbium-149 > 15065-93-7 > 015065937 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015065937 > 177555 1 $$$$