728755
  -OEChem-02060822472D

  7  6  0     0  0  0  0  0  0999 V2000
    6.7053   -2.8729    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    7.7878   -4.7479    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.3752   -4.1229    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    6.7053   -4.1229    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.6228   -4.7479    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5402   -4.1229    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.4577   -4.7479    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  4  2  0  0  0  0
  2  4  1  0  0  0  0
  3  7  2  0  0  0  0
  4  5  1  0  0  0  0
  5  6  2  0  0  0  0
  6  7  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
728755

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
004437063

> <PUBCHEM_SUBSTANCE_SYNONYM>
2-Butenoic acid, 4-oxo-, (E)-
4-Oxo-2-butenoic acid
4437-06-3
Fumaraldehydic acid
Malealdehydic acid

> <PUBCHEM_GENERIC_REGISTRY_NAME>
4437-06-3

> <PUBCHEM_XREF_EXT_ID>
004437063

> <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=004437063

> <PUBCHEM_CID_ASSOCIATIONS>
5314579  1

$$$$