MDD
  -OEChem-05172421173D

  9  8  0     0  0  0  0  0  0999 V2000
    9.5360   36.5170    3.6300 O   0  0  0  0  0  0  0  0  0  0  0  0
    9.0440   35.4310    3.7920 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.8570   34.3120    4.3820 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.2000   33.8400    5.6600 C   0  0  0  0  0  0  0  0  0  0  0  0
    9.3950   34.4270    6.6790 O   0  0  0  0  0  0  0  0  0  0  0  0
    7.9960   35.4580    3.4480 H   0  0  0  0  0  0  0  0  0  0  0  0
   10.9240   34.5990    4.5350 H   0  0  0  0  0  0  0  0  0  0  0  0
   10.0200   33.4800    3.6580 H   0  0  0  0  0  0  0  0  0  0  0  0
    8.5210   32.9960    5.8670 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  2  3  1  0  0  0  0
  2  6  1  0  0  0  0
  3  4  1  0  0  0  0
  3  7  1  0  0  0  0
  3  8  1  0  0  0  0
  4  5  2  0  0  0  0
  4  9  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C(C=O)C=O

> <OPENEYE_INCHI>
InChI=1S/C3H4O2/c4-2-1-3-5/h2-3H,1H2

> <OPENEYE_INCHIKEY>
WSMYVTOQOOLQHP-UHFFFAOYSA-N

> <FORMULA>
C3H4O2

$$$$