168203
  -OEChem-02060822392D

  2  1  0     0  0  0  0  0  0999 V2000
    0.5000    0.0000    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
   -0.5000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
M  CHG  1   1  -1
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
-1

> <PUBCHEM_SUBSTANCE_ID>
168203

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
011062774

> <PUBCHEM_SUBSTANCE_SYNONYM>
11062-77-4
12185-08-9
15723-03-2
71732-58-6
74902-80-0
80816-55-3
HYPEROXIDE
Superoxide
Superoxide anion
Superoxide anion radical
Superoxides

> <PUBCHEM_GENERIC_REGISTRY_NAME>
11062-77-4
12185-08-9
15723-03-2
71732-58-6
74902-80-0
80816-55-3

> <PUBCHEM_XREF_EXT_ID>
011062774

> <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=011062774

$$$$