CYT
  -OEChem-04192423153D

 13 13  0     0  0  0  0  0  0999 V2000
   -0.3560   -2.0610   -3.1120 N   0  0  0  0  0  0  0  0  0  0  0  0
    0.3410   -0.8830   -3.2020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7840   -1.7390   -0.7940 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9310   -2.5200   -1.9280 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5460   -3.5870   -1.9090 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.8710   -0.5100   -4.4100 N   0  0  0  0  0  0  0  0  0  0  0  0
    0.4980   -0.1090   -2.1240 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1240   -0.6310   -0.8950 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4520   -2.6180   -3.9550 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.7660   -0.0780   -4.4180 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.3410   -0.6870   -5.2320 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.0300    0.8320   -2.1040 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.0010   -0.0010    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  4  1  0  0  0  0
  1  9  1  0  0  0  0
  2  6  1  0  0  0  0
  2  7  2  0  0  0  0
  3  4  1  0  0  0  0
  3  8  2  0  0  0  0
  4  5  2  0  0  0  0
  6 10  1  0  0  0  0
  6 11  1  0  0  0  0
  7  8  1  0  0  0  0
  7 12  1  0  0  0  0
  8 13  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c1cnc(=O)[nH]c1N

> <OPENEYE_INCHI>
InChI=1S/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)

> <OPENEYE_INCHIKEY>
OPTASPLRGRRNAP-UHFFFAOYSA-N

> <FORMULA>
C4H5N3O

$$$$