699807
  -OEChem-02060822462D

 12 12  0     0  0  0  0  0  0999 V2000
    1.1698   -0.0627    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.2198   -2.5096    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.6173   -0.0627    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.6173   -2.5096    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.9691   -0.7620    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9691   -1.8105    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.9179   -0.8114    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.9179   -1.7608    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.2710   -0.3622    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.2710   -2.3101    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4778    0.3366    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4284   -3.0592    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  5  1  0  0  0  0
  1  9  1  0  0  0  0
  2  6  1  0  0  0  0
  2 10  1  0  0  0  0
  3  7  2  0  0  0  0
  4  8  2  0  0  0  0
  5  6  2  0  0  0  0
  5  7  1  0  0  0  0
  6  8  1  0  0  0  0
  7  8  1  0  0  0  0
  9 11  1  0  0  0  0
 10 12  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
699807

> <PUBCHEM_SUBSTANCE_VERSION>
2

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
005231878

> <PUBCHEM_SUBSTANCE_SYNONYM>
3,4-Diethoxy-3-cyclobutene-1,2-dione
3-Cyclobutene-1,2-dione, 3,4-diethoxy-
5231-87-8
Diethoxycyclobutenedione
Squaric acid diethyl ester

> <PUBCHEM_GENERIC_REGISTRY_NAME>
5231-87-8

> <PUBCHEM_XREF_EXT_ID>
005231878

> <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=005231878

> <PUBCHEM_CID_ASSOCIATIONS>
123228  1

$$$$