210660
  -OEChem-02060822402D

  6  5  0     0  0  0  0  0  0999 V2000
    0.0000    0.8650    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0043   -0.8650    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.5022   -0.0037    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5022   -0.0037    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5022   -0.0037    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5022   -0.0037    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  3  2  0  0  0  0
  2  3  1  0  0  0  0
  3  4  1  0  0  0  0
  4  5  3  0  0  0  0
  5  6  1  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
0

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_SUBSTANCE_ID>
210660

> <PUBCHEM_SUBSTANCE_VERSION>
3

> <PUBCHEM_EXT_DATASOURCE_NAME>
ChemIDplus

> <PUBCHEM_EXT_DATASOURCE_REGID>
000590932

> <PUBCHEM_SUBSTANCE_SYNONYM>
1-Propynecarboxylic acid
2-Butynoic acid
3-Methylpropiolic acid
590-93-2
EINECS 209-695-7
NSC 174116
Tetrolic acid (8CI)

> <PUBCHEM_GENERIC_REGISTRY_NAME>
590-93-2

> <PUBCHEM_XREF_EXT_ID>
000590932

> <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=000590932

> <PUBCHEM_CID_ASSOCIATIONS>
68535  1

$$$$