MEZ
  -OEChem-04192423163D

 15 14  0     0  0  0  0  0  0999 V2000
   28.6220   28.7870   73.1650 O   0  0  0  0  0  0  0  0  0  0  0  0
   28.2590   29.9270   73.4500 C   0  0  0  0  0  0  0  0  0  0  0  0
   27.1600   30.4000   72.9490 O   0  0  0  0  0  0  0  0  0  0  0  0
   29.1340   30.6940   74.4910 C   0  0  0  0  0  0  0  0  0  0  0  0
   30.3100   29.9290   75.1190 C   0  0  0  0  0  0  0  0  0  0  0  0
   28.7660   32.0390   74.7830 C   0  0  0  0  0  0  0  0  0  0  0  0
   29.4300   32.6780   75.8490 C   0  0  0  0  0  0  0  0  0  0  0  0
   28.7530   32.6810   76.8420 O   0  0  0  0  0  0  0  0  0  0  0  0
   30.6090   32.9610   75.7160 O   0  0  0  0  0  0  0  0  0  0  0  0
   26.8800   31.2810   73.1690 H   0  0  0  0  0  0  0  0  0  0  0  0
   30.9640   29.5250   74.3110 H   0  0  0  0  0  0  0  0  0  0  0  0
   30.9350   30.4770   75.8620 H   0  0  0  0  0  0  0  0  0  0  0  0
   29.9360   28.9830   75.5750 H   0  0  0  0  0  0  0  0  0  0  0  0
   27.9920   32.5690   74.2030 H   0  0  0  0  0  0  0  0  0  0  0  0
   29.2010   33.1120   77.5610 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  2  3  1  0  0  0  0
  2  4  1  0  0  0  0
  3 10  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  2  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  7  1  0  0  0  0
  6 14  1  0  0  0  0
  7  8  1  0  0  0  0
  7  9  2  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-NSCUHMNNSA-N

> <FORMULA>
C5H6O4

$$$$