DYA
  -OEChem-05102419303D

 14 13  0     0  0  0  0  0  0999 V2000
   -0.2580    1.5760    0.1470 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4840    0.2200    0.0700 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5620   -0.6430    0.0710 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9300   -0.1350   -0.0300 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.9740   -0.9800    0.0900 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.1260    1.0490   -0.2230 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8720   -0.2970   -0.0140 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.0710   -1.4920   -0.0820 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9110    0.5610   -0.0150 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.6120    1.9080    0.4190 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9670    2.2000   -0.0740 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.3840   -1.7060    0.1460 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.8590   -0.5980    0.0160 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7960    0.1770   -0.0710 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

$$$$