156956
  -OEChem-02060822392D

 10 10  0     0  0  0  0  0  0999 V2000
    0.0000    2.6310    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -2.6310    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
    0.0000   -1.0793    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1690    1.0828    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1690   -1.0793    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1690   -1.0793    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1690    1.0828    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
  3  6  1  0  0  0  0
  3  7  1  0  0  0  0
  3  8  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  1  0  0  0  0
  4  9  1  0  0  0  0
  4 10  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
156956

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
000933528

> <PUBCHEM_SUBSTANCE_SYNONYM>
1,1,3,3-Tetramethylcyclobutanedione
1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-
2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIONE
2,2,4,4-Tetramethylcyclobutanedione
933-52-8
AI3-15918
EINECS 213-269-6
HSDB 5522
NSC 46472
NSC 72172
Tetramethyl-1,3-cyclobutanedione
Tetramethylcyclobuta-1,3-dione
Tetramethylcyclobutane-1,3-dione

> <PUBCHEM_GENERIC_REGISTRY_NAME>
933-52-8

> <PUBCHEM_XREF_EXT_ID>
000933528

> <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=000933528

> <PUBCHEM_CID_ASSOCIATIONS>
13617  1

$$$$