198186
  -OEChem-02060822412D

  3  2  0     0  0  0  0  0  0999 V2000
   -0.0483   -0.0069    0.0000 Si  0  0  0  0  0  0  0  0  0  0  0  0
   -0.9103    0.0034    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.9621    0.0034    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  1  3  2  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
198186

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
015468323

> <PUBCHEM_SUBSTANCE_SYNONYM>
12414-70-9
1317-94-8
15468-32-3
Christensenite
Crystalline silica
EINECS 239-487-1
Silica, crystalline - tridymite
Silica, crystalline tridymite
Silica, crystalline: tridymite
Tridimite [French]
Tridymite
Tridymite 118
Tridymite [Silica, crystalline]
Tridymite dust

> <PUBCHEM_GENERIC_REGISTRY_NAME>
12414-70-9
1317-94-8
15468-32-3

> <PUBCHEM_XREF_EXT_ID>
015468323

> <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=015468323

> <PUBCHEM_CID_ASSOCIATIONS>
24261  1

$$$$