GUN
  -OEChem-07052418203D

 16 17  0     0  0  0  0  0  0999 V2000
   21.9410  136.5310   25.8780 N   0  0  0  0  0  0  0  0  0  0  0  0
   21.0440  137.5460   26.0630 C   0  0  0  0  0  0  0  0  0  0  0  0
   20.4980  137.5410   27.2460 N   0  0  0  0  0  0  0  0  0  0  0  0
   21.0690  136.4670   27.9040 C   0  0  0  0  0  0  0  0  0  0  0  0
   20.9160  136.0380   29.2510 C   0  0  0  0  0  0  0  0  0  0  0  0
   20.2090  136.5140   30.1390 O   0  0  0  0  0  0  0  0  0  0  0  0
   21.7290  134.9460   29.5000 N   0  0  0  0  0  0  0  0  0  0  0  0
   22.5950  134.3650   28.5870 C   0  0  0  0  0  0  0  0  0  0  0  0
   23.3440  133.3550   29.0140 N   0  0  0  0  0  0  0  0  0  0  0  0
   22.7350  134.7750   27.3290 N   0  0  0  0  0  0  0  0  0  0  0  0
   21.9490  135.8330   27.0630 C   0  0  0  0  0  0  0  0  0  0  0  0
   22.4860  136.3360   25.0380 H   0  0  0  0  0  0  0  0  0  0  0  0
   20.7800  138.3110   25.3130 H   0  0  0  0  0  0  0  0  0  0  0  0
   21.6860  134.5350   30.4320 H   0  0  0  0  0  0  0  0  0  0  0  0
   23.9810  132.9270   28.3420 H   0  0  0  0  0  0  0  0  0  0  0  0
   22.7430  132.6350   29.4150 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1 11  1  0  0  0  0
  1 12  1  0  0  0  0
  2  3  2  0  0  0  0
  2 13  1  0  0  0  0
  3  4  1  0  0  0  0
  4  5  1  0  0  0  0
  4 11  2  0  0  0  0
  5  6  2  0  0  0  0
  5  7  1  0  0  0  0
  7  8  1  0  0  0  0
  7 14  1  0  0  0  0
  8  9  1  0  0  0  0
  8 10  2  0  0  0  0
  9 15  1  0  0  0  0
  9 16  1  0  0  0  0
 10 11  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1[nH]c2c(n1)c(=O)[nH]c(n2)N

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

> <OPENEYE_INCHIKEY>
UYTPUPDQBNUYGX-UHFFFAOYSA-N

> <FORMULA>
C5H5N5O

$$$$