IGA
  -OEChem-04192423343D

 16 17  0     0  0  0  0  0  0999 V2000
  -69.1150   20.2230  -16.5650 N   0  0  0  0  0  0  0  0  0  0  0  0
  -69.7360   19.9620  -15.3660 C   0  0  0  0  0  0  0  0  0  0  0  0
  -70.3510   20.8780  -14.7540 O   0  0  0  0  0  0  0  0  0  0  0  0
  -69.7270   18.7360  -14.7880 N   0  0  0  0  0  0  0  0  0  0  0  0
  -69.0990   17.6960  -15.3700 C   0  0  0  0  0  0  0  0  0  0  0  0
  -68.4060   17.9010  -16.6660 C   0  0  0  0  0  0  0  0  0  0  0  0
  -68.4530   19.2630  -17.2600 C   0  0  0  0  0  0  0  0  0  0  0  0
  -67.8770   19.4780  -18.3600 N   0  0  0  0  0  0  0  0  0  0  0  0
  -67.8680   16.7220  -17.0160 N   0  0  0  0  0  0  0  0  0  0  0  0
  -68.1790   15.8240  -16.0410 C   0  0  0  0  0  0  0  0  0  0  0  0
  -68.9180   16.4050  -15.0550 N   0  0  0  0  0  0  0  0  0  0  0  0
  -70.1950   18.6010  -13.9140 H   0  0  0  0  0  0  0  0  0  0  0  0
  -67.8940   20.3930  -18.7630 H   0  0  0  0  0  0  0  0  0  0  0  0
  -67.4030   18.7330  -18.8300 H   0  0  0  0  0  0  0  0  0  0  0  0
  -67.8790   14.7870  -16.0480 H   0  0  0  0  0  0  0  0  0  0  0  0
  -67.3360   16.5370  -17.8420 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  7  2  0  0  0  0
  1  2  1  0  0  0  0
  2  4  1  0  0  0  0
  2  3  2  0  0  0  0
  4  5  1  0  0  0  0
  4 12  1  0  0  0  0
  5  6  2  0  0  0  0
  5 11  1  0  0  0  0
  6  7  1  0  0  0  0
  6  9  1  0  0  0  0
  7  8  1  0  0  0  0
  8 13  1  0  0  0  0
  8 14  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  2  0  0  0  0
 10 15  1  0  0  0  0
  9 16  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1[nH]c2c(nc(=O)[nH]c2n1)N

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

> <OPENEYE_INCHIKEY>
DRAVOWXCEBXPTN-UHFFFAOYSA-N

> <FORMULA>
C5H5N5O

$$$$