P1R
  -OEChem-04192423353D

 10 10  0     0  0  0  0  0  0999 V2000
   19.4750   16.9760  114.1980 C   0  0  0  0  0  0  0  0  0  0  0  0
   18.7670   15.8600  114.5710 C   0  0  0  0  0  0  0  0  0  0  0  0
   18.7780   15.4860  115.8230 N   0  0  0  0  0  0  0  0  0  0  0  0
   20.1300   17.6890  115.1740 C   0  0  0  0  0  0  0  0  0  0  0  0
   20.1300   17.2550  116.4340 N   0  0  0  0  0  0  0  0  0  0  0  0
   19.4100   16.1700  116.7510 C   0  0  0  0  0  0  0  0  0  0  0  0
   19.5160   17.2860  113.1640 H   0  0  0  0  0  0  0  0  0  0  0  0
   18.2080   15.2980  113.8380 H   0  0  0  0  0  0  0  0  0  0  0  0
   20.6460   18.6030  114.9190 H   0  0  0  0  0  0  0  0  0  0  0  0
   19.3480   15.8540  117.7820 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  4  2  0  0  0  0
  1  7  1  0  0  0  0
  2  3  2  0  0  0  0
  2  8  1  0  0  0  0
  3  6  1  0  0  0  0
  4  5  1  0  0  0  0
  4  9  1  0  0  0  0
  5  6  2  0  0  0  0
  6 10  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1cncnc1

> <OPENEYE_INCHI>
InChI=1S/C4H4N2/c1-2-5-4-6-3-1/h1-4H

> <OPENEYE_INCHIKEY>
CZPWVGJYEJSRLH-UHFFFAOYSA-N

> <FORMULA>
C4H4N2

$$$$