2KZ
  -OEChem-05102419503D

 14 13  0     0  0  0  0  0  0999 V2000
    2.3440  -52.2760  -19.0520 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.8730  -53.3150  -19.4750 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5450  -53.5360  -19.5750 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.0380  -54.2310  -19.8140 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6910  -55.0810  -18.9370 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.7280  -55.8420  -19.3630 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.4190  -55.2560  -17.4850 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.4410  -54.9360  -16.9600 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.2590  -55.6690  -16.7940 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.6410  -51.6810  -18.8180 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.3900  -54.2180  -20.8350 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.0750  -56.3890  -18.6020 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.4180  -56.4480  -20.0950 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.9600  -55.6610  -15.8920 H   0  0  0  0  0  0  0  0  0  0  0  0
  2  4  1  0  0  0  0
  4  5  2  0  0  0  0
  2  3  2  0  0  0  0
  1  2  1  0  0  0  0
  5  6  1  0  0  0  0
  5  7  1  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
  4 11  1  0  0  0  0
  6 12  1  0  0  0  0
  6 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-OWOJBTEDSA-N

> <FORMULA>
C4H5NO4

$$$$