754815
  -OEChem-02060822472D

  1  0  0     0  0  0  0  0  0999 V2000
    4.6740   -2.2488    0.0000 Rn  0  0  0  0  0  0  0  0  0  0  0  0
M  ISO  1   1 218
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
754815

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
015411719

> <PUBCHEM_SUBSTANCE_SYNONYM>
15411-71-9
218Rn
Radon, isotope of mass 218
Radon-218

> <PUBCHEM_GENERIC_REGISTRY_NAME>
15411-71-9

> <PUBCHEM_XREF_EXT_ID>
015411719

> <PUBCHEM_EXT_DATASOURCE_URL>
http://chem.sis.nlm.nih.gov/chemidplus/

> <PUBCHEM_EXT_SUBSTANCE_URL>
http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced&regno=015411719

> <PUBCHEM_CID_ASSOCIATIONS>
177599  1

$$$$