AZA
  -OEChem-04262419523D

 14 15  0     0  0  0  0  0  0999 V2000
    0.7540   -0.0000   -1.6260 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5830   -0.0010   -1.7470 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0710   -0.0010   -2.8610 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4010    0.0030   -0.6800 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8930   -0.0000    0.5980 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4850   -0.0000    0.7810 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.3420    0.0000   -0.4110 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5540    0.0000   -0.3060 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7300   -0.0000    2.1010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3830   -0.0000    2.7480 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4440   -0.0000    1.8290 N   0  0  0  0  0  0  0  0  0  0  0  0
    1.3060   -0.0000   -2.4240 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3620    0.0080   -0.8140 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3910   -0.0010    2.0390 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  7  1  0  0  0  0
  1 12  1  0  0  0  0
  2  3  2  0  0  0  0
  2  4  1  0  0  0  0
  4  5  1  0  0  0  0
  4 13  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  2  0  0  0  0
  9 10  2  0  0  0  0
 10 11  1  0  0  0  0
 11 14  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
c12c([nH]c(=O)[nH]c1=O)[nH]nn2

> <OPENEYE_INCHI>
InChI=1S/C4H3N5O2/c10-3-1-2(8-9-7-1)5-4(11)6-3/h(H3,5,6,7,8,9,10,11)

> <OPENEYE_INCHIKEY>
KVGVQTOQSNJTJI-UHFFFAOYSA-N

> <FORMULA>
C4H3N5O2

$$$$