174743
  -OEChem-02060822402D

  4  3  0     0  0  0  0  0  0999 V2000
   -0.3621    0.2034    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3586   -0.2069    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0759   -0.2103    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.0759    0.2103    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  2  0  0  0  0
  2  4  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
174743

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
025167673

> <PUBCHEM_SUBSTANCE_SYNONYM>
25167-67-3
BUTENE
Butylene
Butylene [UN1012]  [Flammable gas]
EINECS 246-689-3
HSDB 5127
UN1012
n-Butene
n-Butylene

> <PUBCHEM_GENERIC_REGISTRY_NAME>
25167-67-3

> <PUBCHEM_XREF_EXT_ID>
025167673

> <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=025167673

> <PUBCHEM_CID_ASSOCIATIONS>
7844  1

$$$$