755387 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8822 -3.6440 0.0000 Hf 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 172 M END > 0 > 0 > 755387 > 3 > ChemIDplus > 014093119 > 14093-11-9 172Hf Hafnium, isotope of mass 172 Hafnium-172 > 14093-11-9 > 014093119 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014093119 > 178164 1 $$$$