6NT
  -OEChem-04262419513D

 16 17  0     0  0  0  0  0  0999 V2000
    3.3910   -0.6800    0.0010 O   0  5  0  0  0  0  0  0  0  0  0  0
    2.5700    0.2190    0.0010 N   0  3  0  0  0  0  0  0  0  0  0  0
    2.9380    1.3800   -0.0040 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.1240   -0.0990    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7110   -1.4250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6150   -1.7430   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5760   -0.7220   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9240   -0.7240   -0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1510    0.6180    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.2080    0.9150    0.0060 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2950    1.3800   -0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -3.3720    0.4810   -0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
    1.4490   -2.2140    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.5380    1.9430    0.0100 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9250   -2.7770   -0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3470    2.3490    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  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 10  2  0  0  0  0
  5  6  2  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  0  0  0  0
  7  9  2  0  0  0  0
  8 12  2  0  0  0  0
  9 10  1  0  0  0  0
  9 11  1  0  0  0  0
 11 12  1  0  0  0  0
  5 13  1  0  0  0  0
 10 14  1  0  0  0  0
  6 15  1  0  0  0  0
 11 16  1  0  0  0  0
M  CHG  2   1  -1   2   1
M  END
> <OPENEYE_ISO_SMILES>
c1cc2c(cc1[N+](=O)[O-])[nH]nn2

> <OPENEYE_INCHI>
InChI=1S/C6H4N4O2/c11-10(12)4-1-2-5-6(3-4)8-9-7-5/h1-3H,(H,7,8,9)

> <OPENEYE_INCHIKEY>
AOCDQWRMYHJTMY-UHFFFAOYSA-N

> <FORMULA>
C6H4N4O2

$$$$
