CRD
  -OEChem-04262419523D

 11 10  0     0  0  0  0  0  0999 V2000
   -0.2340    0.0000    2.4840 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4490    0.0000    1.1420 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2760    0.0000    0.0220 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3870    0.0000   -1.2800 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2720    0.0000   -2.2980 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.5150    0.0000    3.2750 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8570    0.8900    2.5740 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8570   -0.8900    2.5740 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.5280    0.0000    1.0860 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3550    0.0000    0.0780 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.4660    0.0000   -1.3360 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  6  1  0  0  0  0
  1  7  1  0  0  0  0
  1  8  1  0  0  0  0
  2  3  2  0  0  0  0
  2  9  1  0  0  0  0
  3  4  1  0  0  0  0
  3 10  1  0  0  0  0
  4  5  2  0  0  0  0
  4 11  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C/C=C/C=O

> <OPENEYE_INCHI>
InChI=1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+

> <OPENEYE_INCHIKEY>
MLUCVPSAIODCQM-NSCUHMNNSA-N

> <FORMULA>
C4H6O

$$$$