660708
  -OEChem-02060822452D

  6  5  0     0  0  0  0  0  0999 V2000
    0.0000   -0.7500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.8700   -0.2500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7300   -0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.6000   -0.2500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.8725    0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.4600   -0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  2  3  1  0  0  0  0
  2  5  1  0  0  0  0
  3  4  1  0  0  0  0
  4  6  2  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
660708

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
013891877

> <PUBCHEM_SUBSTANCE_SYNONYM>
13891-87-7
4-Penten-2-one

> <PUBCHEM_GENERIC_REGISTRY_NAME>
13891-87-7

> <PUBCHEM_XREF_EXT_ID>
013891877

> <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=013891877

> <PUBCHEM_CID_ASSOCIATIONS>
83797  1

$$$$