IGA
  -OEChem-04262419533D

 16 17  0     0  0  0  0  0  0999 V2000
   -1.5660    0.8000   -0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.7850   -0.5120    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9340   -0.9220    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7730   -1.4010   -0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    0.5310   -0.9530   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7640    0.4200    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3340    1.2980   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1350    2.6590    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.1350    0.5770    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.6750   -0.6590   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7240   -1.5570   -0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9610   -2.3520    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8960    3.2610    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.7660    3.0170    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.7330   -0.8750   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.6200    1.4180   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  7  2  0  0  0  0
  1  2  1  0  0  0  0
  2  4  1  0  0  0  0
  2  3  2  0  0  0  0
  4  5  1  0  0  0  0
  4 12  1  0  0  0  0
  5  6  2  0  0  0  0
  5 11  1  0  0  0  0
  6  7  1  0  0  0  0
  6  9  1  0  0  0  0
  7  8  1  0  0  0  0
  8 13  1  0  0  0  0
  8 14  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  2  0  0  0  0
 10 15  1  0  0  0  0
  9 16  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1[nH]c2c(nc(=O)[nH]c2n1)N

> <OPENEYE_INCHI>
InChI=1S/C5H5N5O/c6-3-2-4(8-1-7-2)10-5(11)9-3/h1H,(H4,6,7,8,9,10,11)

> <OPENEYE_INCHIKEY>
DRAVOWXCEBXPTN-UHFFFAOYSA-N

> <FORMULA>
C5H5N5O

$$$$
