399374
  -OEChem-03010813452D

  6  6  0     0  0  0  0  0  0999 V2000
    0.3444   -0.3774    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9204   -0.9024    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3955   -0.3774    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3444    0.3924    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3955    0.3924    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.8454    0.8934    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
  2  3  2  0  0  0  0
  3  5  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  2  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
399374

> <PUBCHEM_SUBSTANCE_VERSION>
2

> <PUBCHEM_EXT_DATASOURCE_NAME>
DTP/NCI

> <PUBCHEM_EXT_DATASOURCE_REGID>
93783

> <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-Oxetanone, 4-methylene-
3-Butenoic acid, 3-hydroxy-, .beta.-lactone
4-Methylene-2-oxetanone
674-82-8
Diketene
Ethenone, dimer
Ketene dimer
NSC93783
Vinylaceto-.beta.-lactone
WLN: T4VOY DHJ CU1

> <PUBCHEM_GENERIC_REGISTRY_NAME>
674-82-8

> <PUBCHEM_XREF_EXT_ID>
93783

> <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=93783

> <PUBCHEM_CID_ASSOCIATIONS>
12661  1

$$$$