677777
  -OEChem-02060822452D

  7  7  0     0  0  0  0  0  0999 V2000
    0.0000   -1.2042    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    1.2083    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.4125   -1.2042    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7042   -0.5000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7042    0.5000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7042   -0.5000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7042    0.5000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  4  2  0  0  0  0
  2  5  2  0  0  0  0
  3  6  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  1  0  0  0  0
  5  7  1  0  0  0  0
  6  7  2  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
677777

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
031876387

> <PUBCHEM_SUBSTANCE_SYNONYM>
1-Hydroxy-cyclobut-1-ene-3,4-dione
1-Hydroxycyclobut-1-ene-3,4-dione
3-Cyclobutene-1,2-dione, 3-hydroxy-
3-Hydroxy-3-cyclobutene-1,2-dione
3-Hydroxy-3-cyclobutenedione
31876-38-7
39284-13-4
52591-22-7
71376-34-6
BRN 1925339
CCRIS 4943
Cyclobutenedione, hydroxy-
Hydroxycyclobutenedione
Moniliformin
NSC 292896
Semisquaric acid

> <PUBCHEM_GENERIC_REGISTRY_NAME>
31876-38-7
39284-13-4
52591-22-7
71376-34-6

> <PUBCHEM_XREF_EXT_ID>
031876387

> <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=031876387

> <PUBCHEM_CID_ASSOCIATIONS>
40452  1

$$$$