USA
  -OEChem-05102419333D

 12 12  0     0  0  0  0  0  0999 V2000
   -0.8020    1.0990   -0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.5670   -0.3650   -0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    1.6690    0.5680    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.2410    0.2160   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2520   -1.0050    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5830   -0.9410    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.9490    0.3620   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7390    2.0670    0.0030 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.2970   -1.2970   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.9690    1.6060    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2560   -1.7860    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9580    0.7460    0.0040 H   0  0  0  0  0  0  0  0  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
  1  4  1  0  0  0  0
  5  6  1  0  0  0  0
  1  7  1  0  0  0  0
  6  7  2  0  0  0  0
  1  8  1  0  0  0  0
  2  9  1  0  0  0  0
  3 10  1  0  0  0  0
  6 11  1  0  0  0  0
  7 12  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
[H]/N=C\c1[nH]ccn1

> <OPENEYE_INCHI>
InChI=1S/C4H5N3/c5-3-4-6-1-2-7-4/h1-3,5H,(H,6,7)/b5-3-

> <OPENEYE_INCHIKEY>
CWGOCYXTOJEBFI-HYXAFXHYSA-N

> <FORMULA>
C4H5N3

$$$$