371
  -OEChem-01300816122D

 10  9  0     0  0  0  0  0  0999 V2000
    2.5369   -0.2500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    6.8671    0.2500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.4030   -1.7500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    6.0010    1.7500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.4030   -0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.0010    0.7500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2690   -0.2500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.1350    0.2500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0000   -0.5600    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    7.4040    0.5600    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  5  1  0  0  0  0
  1  9  1  0  0  0  0
  2  6  1  0  0  0  0
  2 10  1  0  0  0  0
  3  5  2  0  0  0  0
  4  6  2  0  0  0  0
  5  7  1  0  0  0  0
  6  8  1  0  0  0  0
  7  8  3  0  0  0  0
M  END
> <PUBCHEM_COMPOUND_ID_TYPE>
1

> <PUBCHEM_COMPOUND_CID>
371

> <PUBCHEM_COMPOUND_CANONICALIZED>
1

> <PUBCHEM_CACTVS_COMPLEXITY>
161

> <PUBCHEM_CACTVS_HBOND_ACCEPTOR>
4

> <PUBCHEM_CACTVS_HBOND_DONOR>
2

> <PUBCHEM_CACTVS_ROTATABLE_BOND>
0

> <PUBCHEM_CACTVS_SUBSKEYS>
AAADcQBgOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgAACAAACAAAgAAACAAAAgBIEACQCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

> <PUBCHEM_IUPAC_OPENEYE_NAME>
but-2-ynedioic acid

> <PUBCHEM_IUPAC_CAS_NAME>
but-2-ynedioic acid

> <PUBCHEM_IUPAC_NAME>
but-2-ynedioic acid

> <PUBCHEM_IUPAC_SYSTEMATIC_NAME>
but-2-ynedioic acid

> <PUBCHEM_IUPAC_TRADITIONAL_NAME>
but-2-ynedioic acid

> <PUBCHEM_NIST_INCHI>
InChI=1/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)/f/h5,7H

> <PUBCHEM_CACTVS_XLOGP>
0

> <PUBCHEM_EXACT_MASS>
113.995309

> <PUBCHEM_MOLECULAR_FORMULA>
C4H2O4

> <PUBCHEM_MOLECULAR_WEIGHT>
114.05628

> <PUBCHEM_OPENEYE_CAN_SMILES>
C(#CC(=O)O)C(=O)O

> <PUBCHEM_OPENEYE_ISO_SMILES>
C(#CC(=O)O)C(=O)O

> <PUBCHEM_CACTVS_TPSA>
74.6

> <PUBCHEM_MONOISOTOPIC_WEIGHT>
113.995309

> <PUBCHEM_TOTAL_CHARGE>
0

> <PUBCHEM_HEAVY_ATOM_COUNT>
8

> <PUBCHEM_ATOM_DEF_STEREO_COUNT>
0

> <PUBCHEM_ATOM_UDEF_STEREO_COUNT>
0

> <PUBCHEM_BOND_DEF_STEREO_COUNT>
0

> <PUBCHEM_BOND_UDEF_STEREO_COUNT>
0

> <PUBCHEM_ISOTOPIC_ATOM_COUNT>
0

> <PUBCHEM_COMPONENT_COUNT>
1

> <PUBCHEM_CACTVS_TAUTO_COUNT>
1

> <PUBCHEM_SUBSTANCE_ID>
10507905

> <PUBCHEM_SUBSTANCE_VERSION>
1

> <PUBCHEM_EXT_DATASOURCE_NAME>
NIST Chemistry WebBook

> <PUBCHEM_EXT_DATASOURCE_REGID>
1891196854

> <PUBCHEM_SUBSTANCE_SYNONYM>
2-Butynedioic acid
Acetylenedicarboxylic acid

> <PUBCHEM_XREF_EXT_ID>
1891196854

> <PUBCHEM_EXT_DATASOURCE_URL>
http://webbook.nist.gov/chemistry/

> <PUBCHEM_EXT_SUBSTANCE_URL>
http://webbook.nist.gov/cgi/cbook.cgi?InChI=InChI%3D1/C4H2O4/c5-3%286%291-2-4%287%298/h%28H%2C5%2C6%29%28H%2C7%2C8%29%0A

> <PUBCHEM_CID_ASSOCIATIONS>
371  1

$$$$