155995
  -OEChem-02060822392D

  6  6  0     0  0  0  0  0  0999 V2000
    0.0000   -1.0793    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.6310    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0828    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.0793    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    1.0828    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.6310    0.0000    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>
155995

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
000674828

> <PUBCHEM_SUBSTANCE_SYNONYM>
2-Oxetanone, 4-methylene-
2130-41-8
3-Buteno-beta-lactone
3-Butenoic acid, 3-hydroxy-, beta-lactone
4-Methylene-2-oxetanone
5-17-09-00115 (Beilstein Handbook Reference)
674-82-8
6842-10-0
ACETYL KETENE
BRN 0104541
But-3-en-3-olide
Diketene
Diketene, inhibited [UN2521]  [Poison]
EINECS 211-617-1
Ethenone, dimer
Ethenone, dimer (VAN)
HSDB 2063
Ketene, dimer
NSC 93783
UN2521
Vinylaceto-beta-lactone

> <PUBCHEM_GENERIC_REGISTRY_NAME>
2130-41-8
674-82-8
6842-10-0

> <PUBCHEM_XREF_EXT_ID>
000674828

> <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=000674828

> <PUBCHEM_CID_ASSOCIATIONS>
12661  1

$$$$