AZ9
  -OEChem-08022416563D

 18 19  0     0  0  0  0  0  0999 V2000
   -0.8220    0.8480   -0.0050 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.0300    1.3950   -0.0020 N   0  0  0  0  0  0  0  0  0  0  0  0
   -3.0750    0.6380    0.0020 N   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9860   -0.6800    0.0030 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8140   -1.2890    0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7120   -0.5540    0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.6410   -1.1500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7930   -2.3550   -0.0030 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.7040   -0.3140    0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.0580   -0.8730   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5400    1.0180    0.0050 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5300    1.7240    0.0060 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.3320    1.6070   -0.0080 N   0  0  0  0  0  0  0  0  0  0  0  0
   -3.8900   -1.2710    0.0070 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.3930   -1.0090   -1.0300 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.7340   -0.1900    0.5140 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.0550   -1.8360    0.5100 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.2690    2.5750   -0.0100 H   0  0  0  0  0  0  0  0  0  0  0  0
  4  5  2  0  0  0  0
  5  6  1  0  0  0  0
  3  4  1  0  0  0  0
  7  8  2  0  0  0  0
  6  7  1  0  0  0  0
  1  6  2  0  0  0  0
  7  9  1  0  0  0  0
  2  3  2  0  0  0  0
  1  2  1  0  0  0  0
  1 13  1  0  0  0  0
  9 10  1  0  0  0  0
  9 11  1  0  0  0  0
 11 13  1  0  0  0  0
 11 12  2  0  0  0  0
  4 14  1  0  0  0  0
 10 15  1  0  0  0  0
 10 16  1  0  0  0  0
 10 17  1  0  0  0  0
 13 18  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
Cn1c(=O)c2c([nH]c1=O)nncn2

> <OPENEYE_INCHI>
InChI=1S/C6H5N5O2/c1-11-5(12)3-4(9-6(11)13)10-8-2-7-3/h2H,1H3,(H,9,10,13)

> <OPENEYE_INCHIKEY>
ZLLAXLPOOMLVRF-UHFFFAOYSA-N

> <FORMULA>
C6H5N5O2

$$$$
