XJM
  -OEChem-05242418053D

 10 10  0     0  0  0  0  0  0999 V2000
  -16.3280   22.2490   -7.4040 C   0  0  0  0  0  0  0  0  0  0  0  0
  -17.4380   21.3970   -6.7790 C   0  0  0  0  0  0  0  0  0  0  0  0
  -17.8630   21.4710   -5.5340 N   0  0  0  0  0  0  0  0  0  0  0  0
  -18.8620   20.5540   -5.3580 N   0  0  0  0  0  0  0  0  0  0  0  0
  -19.0380   19.9010   -6.5320 N   0  0  0  0  0  0  0  0  0  0  0  0
  -18.1300   20.4530   -7.3920 N   0  0  0  0  0  0  0  0  0  0  0  0
  -15.9300   22.9440   -6.6500 H   0  0  0  0  0  0  0  0  0  0  0  0
  -15.5200   21.5940   -7.7610 H   0  0  0  0  0  0  0  0  0  0  0  0
  -16.7370   22.8210   -8.2500 H   0  0  0  0  0  0  0  0  0  0  0  0
  -18.0070   20.1820   -8.3470 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
  3  4  1  0  0  0  0
  4  5  2  0  0  0  0
  5  6  1  0  0  0  0
  2  6  1  0  0  0  0
  1  7  1  0  0  0  0
  1  8  1  0  0  0  0
  1  9  1  0  0  0  0
  6 10  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
Cc1[nH]nnn1

> <OPENEYE_INCHI>
InChI=1S/C2H4N4/c1-2-3-5-6-4-2/h1H3,(H,3,4,5,6)

> <OPENEYE_INCHIKEY>
XZGLNCKSNVGDNX-UHFFFAOYSA-N

> <FORMULA>
C2H4N4

$$$$