U9S
  -OEChem-05172421183D

 13 13  0     1  0  0  0  0  0999 V2000
   28.4910   -6.8570   -8.1350 C   0  0  0  0  0  0  0  0  0  0  0  0
   28.3750   -6.2850   -6.7290 C   0  0  2  0  0  0  0  0  0  0  0  0
   28.8480   -4.9420   -6.4660 C   0  0  2  0  0  0  0  0  0  0  0  0
   29.3830   -4.0160   -7.5920 C   0  0  0  0  0  0  0  0  0  0  0  0
   27.5950   -6.6180   -8.9930 O   0  0  0  0  0  0  0  0  0  0  0  0
   29.4950   -7.5830   -8.3970 O   0  0  0  0  0  0  0  0  0  0  0  0
   29.8320   -4.4830   -8.6780 O   0  0  0  0  0  0  0  0  0  0  0  0
   29.3920   -2.7580   -7.4200 O   0  0  0  0  0  0  0  0  0  0  0  0
   29.6720   -6.0960   -6.1300 O   0  0  0  0  0  0  0  0  0  0  0  0
   27.5640   -6.6810   -6.1010 H   0  0  0  0  0  0  0  0  0  0  0  0
   28.3810   -4.4130   -5.6220 H   0  0  0  0  0  0  0  0  0  0  0  0
   29.4410   -7.8860   -9.2960 H   0  0  0  0  0  0  0  0  0  0  0  0
   29.7600   -2.3360   -8.1870 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  5  2  0  0  0  0
  4  7  2  0  0  0  0
  1  6  1  0  0  0  0
  1  2  1  0  0  0  0
  4  8  1  0  0  0  0
  3  4  1  0  0  0  0
  2  3  1  0  0  0  0
  2  9  1  0  0  0  0
  3  9  1  0  0  0  0
  2 10  1  0  0  0  0
  3 11  1  0  0  0  0
  6 12  1  0  0  0  0
  8 13  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
[C@@H]1([C@H](O1)C(=O)O)C(=O)O

> <OPENEYE_INCHI>
InChI=1S/C4H4O5/c5-3(6)1-2(9-1)4(7)8/h1-2H,(H,5,6)(H,7,8)/t1-,2+

> <OPENEYE_INCHIKEY>
DCEMCPAKSGRHCN-XIXRPRMCSA-N

> <FORMULA>
C4H4O5

$$$$