6NT
  -OEChem-05102419503D

 16 17  0     0  0  0  0  0  0999 V2000
   51.1820    0.6500  -34.1770 O   0  5  0  0  0  0  0  0  0  0  0  0
   50.1210    0.1170  -33.8100 N   0  3  0  0  0  0  0  0  0  0  0  0
   49.8390   -0.0110  -32.6220 O   0  0  0  0  0  0  0  0  0  0  0  0
   49.2520   -0.4410  -34.7660 C   0  0  0  0  0  0  0  0  0  0  0  0
   48.0800   -1.0960  -34.3690 C   0  0  0  0  0  0  0  0  0  0  0  0
   47.2240   -1.6970  -35.2900 C   0  0  0  0  0  0  0  0  0  0  0  0
   47.5570   -1.6470  -36.6320 C   0  0  0  0  0  0  0  0  0  0  0  0
   46.9270   -2.1510  -37.7230 N   0  0  0  0  0  0  0  0  0  0  0  0
   48.7230   -0.9930  -37.0320 C   0  0  0  0  0  0  0  0  0  0  0  0
   49.5760   -0.3980  -36.1150 C   0  0  0  0  0  0  0  0  0  0  0  0
   48.7480   -1.1120  -38.3620 N   0  0  0  0  0  0  0  0  0  0  0  0
   47.6640   -1.8130  -38.8550 N   0  0  0  0  0  0  0  0  0  0  0  0
   47.8320   -1.1370  -33.3190 H   0  0  0  0  0  0  0  0  0  0  0  0
   50.4800    0.0920  -36.4460 H   0  0  0  0  0  0  0  0  0  0  0  0
   46.3210   -2.1910  -34.9630 H   0  0  0  0  0  0  0  0  0  0  0  0
   49.4730   -0.7350  -38.9390 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

$$$$
