28Y
  -OEChem-05102419283D

 18 20  0     0  0  0  0  0  0999 V2000
   -0.4220    0.8750   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3140   -0.1870   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8230   -1.5120   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4190    1.7070   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5070   -1.7300    0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.7110   -0.6390    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    0.9410    0.6140   -0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5980   -2.4520    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.5780    0.3700   -0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1440    2.0000    0.0040 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.0430    1.4350   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.1260    0.6370   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.3960   -0.6710    0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.2230    2.4290    0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.8440   -2.6400    0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.4200   -0.1120   -0.0050 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.0400    2.5150   -0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.1540    0.9670   -0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
  4 10  2  0  0  0  0
  4  9  1  0  0  0  0
  1 10  1  0  0  0  0
  2  9  1  0  0  0  0
  1  2  2  0  0  0  0
  1  7  1  0  0  0  0
  7 11  1  0  0  0  0
 11 12  2  0  0  0  0
  2  3  1  0  0  0  0
  7 13  1  0  0  0  0
  6 12  1  0  0  0  0
  3  8  2  0  0  0  0
  3  5  1  0  0  0  0
  6 13  2  0  0  0  0
  5 13  1  0  0  0  0
  4 14  1  0  0  0  0
  5 15  1  0  0  0  0
  9 16  1  0  0  0  0
 11 17  1  0  0  0  0
 12 18  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1cn2c3c(c(=O)[nH]c2n1)[nH]cn3

> <OPENEYE_INCHI>
InChI=1S/C7H5N5O/c13-6-4-5(10-3-9-4)12-2-1-8-7(12)11-6/h1-3H,(H,9,10)(H,8,11,13)

> <OPENEYE_INCHIKEY>
OSXKHFTZRHDUJN-UHFFFAOYSA-N

> <FORMULA>
C7H5N5O

$$$$