401602
  -OEChem-03010813452D

 11 10  0     0  0  0  0  0  0999 V2000
    0.0725    0.0049    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3824    0.8450    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.9074    0.8450    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8974    0.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4225    0.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2674    0.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4725    0.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.7974    0.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.2425    0.0049    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2824    0.8450    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7274    0.8450    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  4  1  0  0  0  0
  1  5  1  0  0  0  0
  2  4  2  0  0  0  0
  3  5  2  0  0  0  0
  4  6  1  0  0  0  0
  5  7  1  0  0  0  0
  6  8  2  3  0  0  0
  7  9  2  3  0  0  0
  8 10  1  0  0  0  0
  9 11  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
401602

> <PUBCHEM_SUBSTANCE_VERSION>
2

> <PUBCHEM_EXT_DATASOURCE_NAME>
DTP/NCI

> <PUBCHEM_EXT_DATASOURCE_REGID>
97397

> <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>
2-Butenoic acid, anhydride
623-68-7
Crotonic acid anhydride
Crotonic anhydride
NSC97397
WLN: 2U1VOV1U2

> <PUBCHEM_GENERIC_REGISTRY_NAME>
623-68-7

> <PUBCHEM_XREF_EXT_ID>
97397

> <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=97397

> <PUBCHEM_CID_ASSOCIATIONS>
12189  1

$$$$