754845 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8924 -3.6037 0.0000 Nb 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 98 M END > 0 > 0 > 754845 > 3 > ChemIDplus > 015700411 > 15700-41-1 98Nb Niobium, isotope of mass 98 Niobium-98 > 15700-41-1 > 015700411 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015700411 > 177625 1 $$$$