ORO
  -OEChem-05032420113D

 15 15  0     0  0  0  0  0  0999 V2000
    1.1260    0.0050    0.0420 N   0  0  0  0  0  0  0  0  0  0  0  0
    1.1930   -0.0010   -1.2990 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.2840   -0.0010   -1.8360 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0880   -0.0000   -2.0630 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1350   -0.0000   -1.4950 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1380    0.0000   -2.1840 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2360   -0.0000   -0.0300 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0870   -0.0000    0.6950 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1390   -0.0000    2.1770 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2110   -0.0000    2.7460 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.0020   -0.0000    2.8910 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.9450    0.0040    0.5610 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.1700   -0.0000   -3.0300 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1990   -0.0000    0.4570 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.9680   -0.0000    3.8570 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  8  1  0  0  0  0
  1 12  1  0  0  0  0
  2  3  2  0  0  0  0
  2  4  1  0  0  0  0
  4  5  1  0  0  0  0
  4 13  1  0  0  0  0
  5  6  2  0  0  0  0
  5  7  1  0  0  0  0
  7  8  2  0  0  0  0
  7 14  1  0  0  0  0
  8  9  1  0  0  0  0
  9 10  2  0  0  0  0
  9 11  1  0  0  0  0
 11 15  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1c([nH]c(=O)[nH]c1=O)C(=O)O

> <OPENEYE_INCHI>
InChI=1S/C5H4N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h1H,(H,9,10)(H2,6,7,8,11)

> <OPENEYE_INCHIKEY>
PXQPEWDEAKTCGB-UHFFFAOYSA-N

> <FORMULA>
C5H4N2O4

$$$$
