BUO
  -OEChem-04262420143D

 12 11  0     0  0  0  0  0  0999 V2000
  -40.2500  -12.5860  -43.1990 O   0  0  0  0  0  0  0  0  0  0  0  0
  -40.2640  -13.7700  -42.8670 C   0  0  0  0  0  0  0  0  0  0  0  0
  -39.5760  -14.4150  -41.6470 C   0  0  0  0  0  0  0  0  0  0  0  0
  -40.9380  -14.7660  -43.7090 C   0  0  0  0  0  0  0  0  0  0  0  0
  -42.1590  -14.3230  -44.4630 C   0  0  0  0  0  0  0  0  0  0  0  0
  -40.4460  -15.8810  -43.7440 O   0  0  0  0  0  0  0  0  0  0  0  0
  -39.0400  -13.6420  -41.0770 H   0  0  0  0  0  0  0  0  0  0  0  0
  -40.3350  -14.8850  -41.0040 H   0  0  0  0  0  0  0  0  0  0  0  0
  -38.8620  -15.1790  -41.9900 H   0  0  0  0  0  0  0  0  0  0  0  0
  -42.5480  -15.1630  -45.0580 H   0  0  0  0  0  0  0  0  0  0  0  0
  -42.9290  -13.9910  -43.7510 H   0  0  0  0  0  0  0  0  0  0  0  0
  -41.8950  -13.4910  -45.1320 H   0  0  0  0  0  0  0  0  0  0  0  0
  4  5  1  0  0  0  0
  4  6  2  0  0  0  0
  2  4  1  0  0  0  0
  1  2  2  0  0  0  0
  2  3  1  0  0  0  0
  3  7  1  0  0  0  0
  3  8  1  0  0  0  0
  3  9  1  0  0  0  0
  5 10  1  0  0  0  0
  5 11  1  0  0  0  0
  5 12  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
CC(=O)C(=O)C

> <OPENEYE_INCHI>
InChI=1S/C4H6O2/c1-3(5)4(2)6/h1-2H3

> <OPENEYE_INCHIKEY>
QSJXEFYPDANLFS-UHFFFAOYSA-N

> <FORMULA>
C4H6O2

$$$$