CIZ
  -OEChem-06282419213D

 15 14  0     0  0  0  0  0  0999 V2000
    1.6240   -0.9900    1.0310 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.1970   -0.5190   -0.0040 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1510   -1.2750   -1.1190 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7240    0.8780   -0.0390 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7180    2.0100   -0.0430 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5930    1.1400   -0.0680 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5680    0.0400    0.0690 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.8850    0.2860   -0.0750 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1830   -1.0860    0.3110 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4680   -2.1850   -1.0460 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.9760    2.2640   -1.0710 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.2790    2.8800    0.4470 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.6170    1.7070    0.4940 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9390    2.1560   -0.1920 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.4850   -0.4660    0.0230 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  7  9  2  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  0  0  0  0
  4  6  2  0  0  0  0
  4  5  1  0  0  0  0
  2  4  1  0  0  0  0
  2  3  1  0  0  0  0
  3 10  1  0  0  0  0
  5 11  1  0  0  0  0
  5 12  1  0  0  0  0
  5 13  1  0  0  0  0
  6 14  1  0  0  0  0
  8 15  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C/C(=C/C(=O)O)/C(=O)O

> <OPENEYE_INCHI>
InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2-

> <OPENEYE_INCHIKEY>
HNEGQIOMVPPMNR-IHWYPQMZSA-N

> <FORMULA>
C5H6O4

$$$$