DO4
  -OEChem-10112420043D

 15 14  0     0  0  0  0  0  0999 V2000
    4.8810    6.1390   40.5770 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.4810    5.5980   39.6700 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.0640    6.4410   38.5660 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.5020    6.8130   38.9130 C   0  0  0  0  0  0  0  0  0  0  0  0
    8.0740    7.6720   37.8070 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.4240    7.9060   36.7940 O   0  0  0  0  0  0  0  0  0  0  0  0
    9.4140    8.2460   37.9150 C   0  0  0  0  0  0  0  0  0  0  0  0
   10.1190    8.0240   38.9280 O   0  0  0  0  0  0  0  0  0  0  0  0
    9.8150    8.9480   36.9530 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.5950    4.5240   39.6550 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.0500    5.8720   37.6250 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.4670    7.3570   38.4510 H   0  0  0  0  0  0  0  0  0  0  0  0
    7.5200    7.3720   39.8600 H   0  0  0  0  0  0  0  0  0  0  0  0
    8.1050    5.8990   39.0200 H   0  0  0  0  0  0  0  0  0  0  0  0
   10.6960    9.2560   37.1310 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 10  1  0  0  0  0
  3  4  1  0  0  0  0
  3 11  1  0  0  0  0
  3 12  1  0  0  0  0
  4  5  1  0  0  0  0
  4 13  1  0  0  0  0
  4 14  1  0  0  0  0
  5  6  2  0  0  0  0
  5  7  1  0  0  0  0
  7  8  2  0  0  0  0
  7  9  1  0  0  0  0
  9 15  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C(CC(=O)C(=O)O)C=O

> <OPENEYE_INCHI>
InChI=1S/C5H6O4/c6-3-1-2-4(7)5(8)9/h3H,1-2H2,(H,8,9)

> <OPENEYE_INCHIKEY>
VHKNBDIQDAXGBL-UHFFFAOYSA-N

> <FORMULA>
C5H6O4

$$$$