68631
  -OEChem-03010813432D

  8  7  0     0  0  0  0  0  0999 V2000
   -0.7390    0.2449    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.8460    0.2449    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2090   -0.2349    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4259   -0.2349    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7390   -0.2349    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.8460   -0.2349    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1570   -0.2349    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3729   -0.2349    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  5  2  0  0  0  0
  2  6  2  0  0  0  0
  3  5  1  0  0  0  0
  4  6  1  0  0  0  0
  5  7  1  0  0  0  0
  6  8  1  0  0  0  0
  7  8  3  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
68631

> <PUBCHEM_SUBSTANCE_VERSION>
2

> <PUBCHEM_EXT_DATASOURCE_NAME>
DTP/NCI

> <PUBCHEM_EXT_DATASOURCE_REGID>
1903

> <PUBCHEM_SUBSTANCE_COMMENT>
DTP/NCI from molfile.  Release-June 2007.
Structure Evaluation:Consistent with Molecular Formula.
Deposition record created from database webdb on host dtpiv1.ncifcrf.gov on Feb 22, 2008

> <PUBCHEM_SUBSTANCE_SYNONYM>
142-45-0
2-Butynedioic acid
ACETYLENEDICARBOXYLIC ACID
Butynedioic acid
NSC1903

> <PUBCHEM_GENERIC_REGISTRY_NAME>
142-45-0

> <PUBCHEM_XREF_EXT_ID>
1903

> <PUBCHEM_EXT_DATASOURCE_URL>
http://dtp.nci.nih.gov/

> <PUBCHEM_EXT_SUBSTANCE_URL>
http://dtp.nci.nih.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=1903

> <PUBCHEM_CID_ASSOCIATIONS>
371  1

$$$$