7DH
  -OEChem-05102419293D

 15 14  0     0  0  0  0  0  0999 V2000
   -2.9210    0.5080    0.3590 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6390   -0.2770    0.2570 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4700    0.3620    0.1560 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7770   -0.4020    0.0580 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0820    0.3120   -0.0550 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1120    1.5250   -0.0650 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.2270   -0.3890   -0.1450 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7470   -1.6160    0.0680 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.9000   -0.0620   -0.5120 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.2860    0.4770    1.3850 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.7370    1.5430    0.0700 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6650   -1.3570    0.2670 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4440    1.4420    0.1470 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.0480    0.1170   -0.2170 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.7520    0.3940   -0.4990 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  2  0  0  0  0
  4  8  2  0  0  0  0
  3  4  1  0  0  0  0
  4  5  1  0  0  0  0
  5  6  2  0  0  0  0
  5  7  1  0  0  0  0
  1  9  1  0  0  0  0
  1 10  1  0  0  0  0
  1 11  1  0  0  0  0
  2 12  1  0  0  0  0
  3 13  1  0  0  0  0
  7 14  1  0  0  0  0
  9 15  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C(/C=C/C(=O)C(=O)O)O

> <OPENEYE_INCHI>
InChI=1S/C5H6O4/c6-3-1-2-4(7)5(8)9/h1-2,6H,3H2,(H,8,9)/b2-1+

> <OPENEYE_INCHIKEY>
NQCOHZOKLYGXBP-OWOJBTEDSA-N

> <FORMULA>
C5H6O4

$$$$