DYA
  -OEChem-05102419523D

 14 13  0     0  0  0  0  0  0999 V2000
   27.1010   52.8820  -54.3890 N   0  0  0  0  0  0  0  0  0  0  0  0
   27.5700   53.8850  -55.2810 C   0  0  0  0  0  0  0  0  0  0  0  0
   28.8500   53.9620  -55.6200 C   0  0  0  0  0  0  0  0  0  0  0  0
   29.8330   53.1130  -54.9400 C   0  0  0  0  0  0  0  0  0  0  0  0
   29.6840   51.8680  -54.9720 O   0  0  0  0  0  0  0  0  0  0  0  0
   30.7550   53.6310  -54.2670 O   0  0  0  0  0  0  0  0  0  0  0  0
   26.5210   54.6960  -55.8810 C   0  0  0  0  0  0  0  0  0  0  0  0
   26.6450   55.9370  -55.9600 O   0  0  0  0  0  0  0  0  0  0  0  0
   25.4170   54.0870  -56.2980 O   0  0  0  0  0  0  0  0  0  0  0  0
   26.1150   52.9870  -54.2570 H   0  0  0  0  0  0  0  0  0  0  0  0
   27.2920   51.9790  -54.7730 H   0  0  0  0  0  0  0  0  0  0  0  0
   29.1670   54.6470  -56.3930 H   0  0  0  0  0  0  0  0  0  0  0  0
   30.3490   51.4550  -54.4340 H   0  0  0  0  0  0  0  0  0  0  0  0
   24.8060   54.7330  -56.6340 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
  2  7  1  0  0  0  0
  3  4  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  2  0  0  0  0
  7  8  2  0  0  0  0
  7  9  1  0  0  0  0
  1 10  1  0  0  0  0
  1 11  1  0  0  0  0
  3 12  1  0  0  0  0
  5 13  1  0  0  0  0
  9 14  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
C(=C(/C(=O)O)\N)\C(=O)O

> <OPENEYE_INCHI>
InChI=1S/C4H5NO4/c5-2(4(8)9)1-3(6)7/h1H,5H2,(H,6,7)(H,8,9)/b2-1-

> <OPENEYE_INCHIKEY>
ABZHGLSYGDUSDL-UPHRSURJSA-N

> <FORMULA>
C4H5NO4

$$$$