668170
  -OEChem-02060822462D

  4  3  0     0  0  0  0  0  0999 V2000
    2.9833   -0.8750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.8086   -0.8639    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0917   -0.8458    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5643   -0.8977    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  2  0  0  0  0
  2  4  2  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
668170

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
025339575

> <PUBCHEM_SUBSTANCE_SYNONYM>
25339-57-5
BUTADIENE

> <PUBCHEM_GENERIC_REGISTRY_NAME>
25339-57-5

> <PUBCHEM_XREF_EXT_ID>
025339575

> <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=025339575

> <PUBCHEM_CID_ASSOCIATIONS>
7845  1

$$$$