MAE
  -OEChem-04262420163D

 12 11  0     0  0  0  0  0  0999 V2000
   45.0740  -10.2350   57.7890 C   0  0  0  0  0  0  0  0  0  0  0  0
   46.1710  -10.5350   58.3420 O   0  0  0  0  0  0  0  0  0  0  0  0
   44.3410  -11.0870   57.2190 O   0  0  0  0  0  0  0  0  0  0  0  0
   44.6550   -8.7950   57.8240 C   0  0  0  0  0  0  0  0  0  0  0  0
   45.0790   -7.7690   57.0890 C   0  0  0  0  0  0  0  0  0  0  0  0
   46.1300   -7.7590   56.0060 C   0  0  0  0  0  0  0  0  0  0  0  0
   46.1990   -6.7370   55.2670 O   0  0  0  0  0  0  0  0  0  0  0  0
   46.9260   -8.7510   55.8590 O   0  0  0  0  0  0  0  0  0  0  0  0
   43.5160  -10.8610   56.8030 H   0  0  0  0  0  0  0  0  0  0  0  0
   43.8890   -8.4190   58.5230 H   0  0  0  0  0  0  0  0  0  0  0  0
   44.5220   -6.8670   57.3970 H   0  0  0  0  0  0  0  0  0  0  0  0
   47.5870   -8.7440   55.1770 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
  3  9  1  0  0  0  0
  4  5  2  0  0  0  0
  4 10  1  0  0  0  0
  5  6  1  0  0  0  0
  5 11  1  0  0  0  0
  6  7  2  0  0  0  0
  6  8  1  0  0  0  0
  8 12  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C(=C\C(=O)O)\C(=O)O

> <OPENEYE_INCHI>
InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-

> <OPENEYE_INCHIKEY>
VZCYOOQTPOCHFL-UPHRSURJSA-N

> <FORMULA>
C4H4O4

$$$$