2223
  -OEChem-04030813132D

  1  0  0     0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
2223

> <PUBCHEM_SUBSTANCE_VERSION>
1

> <PUBCHEM_EXT_DATASOURCE_NAME>
BioCyc

> <PUBCHEM_EXT_DATASOURCE_REGID>
CH4

> <PUBCHEM_SUBSTANCE_COMMENT>
TYPES - Unclassified-Compounds

> <PUBCHEM_SUBSTANCE_SYNONYM>
CH4
methane

> <PUBCHEM_XREF_EXT_ID>
CH4

> <PUBCHEM_EXT_DATASOURCE_URL>
http://biocyc.org

> <PUBCHEM_EXT_SUBSTANCE_URL>
http://biocyc.org/META/NEW-IMAGE?type=COMPOUND&object=CH4

> <PUBCHEM_CID_ASSOCIATIONS>
297  1

$$$$