684816
  -OEChem-02060822462D

  8  7  0     0  0  0  0  0  0999 V2000
    5.7042    5.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    7.1208    5.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.0000    7.9125    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    6.4125    5.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4125    6.2458    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7042    6.6625    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.7042    7.4958    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4125    7.9125    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
  7  8  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
684816

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
004743822

> <PUBCHEM_SUBSTANCE_SYNONYM>
2-Pentenoic acid, 4-oxo-
3-03-00-01310 (Beilstein Handbook Reference)
3-beta-Acetylacrylic acid
4-Ketopentenic acid
4-Oxo-2-pentenoic acid
4-Oxopent-2-en-2-oic acid
4743-82-2
Acetylacrylic acid
BRN 1745249
EINECS 225-256-2
beta-Acetoacrylic acid

> <PUBCHEM_GENERIC_REGISTRY_NAME>
4743-82-2

> <PUBCHEM_XREF_EXT_ID>
004743822

> <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=004743822

> <PUBCHEM_CID_ASSOCIATIONS>
5363652  1

$$$$