754642 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.6208 -3.5458 0.0000 Ho 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 161 M END > 0 > 0 > 754642 > 3 > ChemIDplus > 014391209 > 14391-20-9 161Ho Holmium, isotope of mass 161 Holmium-161 > 14391-20-9 > 014391209 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014391209 > 177427 1 $$$$