169958
  -OEChem-02060822402D

  6  6  0     0  0  0  0  0  0999 V2000
   -1.2327   -1.1683    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.2498    1.1841    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5033   -0.5020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4954    0.4941    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4954   -0.5020    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5033    0.4941    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  3  2  0  0  0  0
  2  4  2  0  0  0  0
  3  5  1  0  0  0  0
  3  6  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
169958

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
015506533

> <PUBCHEM_SUBSTANCE_SYNONYM>
1,3-CYCLOBUTANEDIONE
15506-53-3
Cyclobutane-1,3-dione

> <PUBCHEM_GENERIC_REGISTRY_NAME>
15506-53-3

> <PUBCHEM_XREF_EXT_ID>
015506533

> <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=015506533

> <PUBCHEM_CID_ASSOCIATIONS>
27357  1

$$$$