692101 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 -1.5042 -1.4208 0.0000 Rn -3 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 219 M END > 0 > 0 > 692101 > 3 > ChemIDplus > 014835020 > 14835-02-0 219Rn Radon, isotope of mass 219 Radon-219 > 14835-02-0 > 014835020 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014835020 > 115137 1 $$$$