UNC
  -OEChem-05102419553D

 16 16  0     0  0  0  0  0  0999 V2000
   31.6380   25.6270   41.0620 O   0  0  0  0  0  0  0  0  0  0  0  0
   32.1940   25.7730   39.9730 N   0  3  0  0  0  0  0  0  0  0  0  0
   33.3800   25.4290   39.7550 O   0  5  0  0  0  0  0  0  0  0  0  0
   31.4840   26.4430   38.9710 C   0  0  0  0  0  0  0  0  0  0  0  0
   30.2150   26.8910   39.0900 N   0  0  0  0  0  0  0  0  0  0  0  0
   29.6610   27.5560   37.9980 C   0  0  0  0  0  0  0  0  0  0  0  0
   28.4860   27.9640   38.0580 O   0  0  0  0  0  0  0  0  0  0  0  0
   32.2450   26.6700   37.7600 C   0  0  0  0  0  0  0  0  0  0  0  0
   33.4690   26.2390   37.6510 N   0  0  0  0  0  0  0  0  0  0  0  0
   31.6020   27.3790   36.6550 C   0  0  0  0  0  0  0  0  0  0  0  0
   32.2700   27.5930   35.6350 O   0  0  0  0  0  0  0  0  0  0  0  0
   30.3390   27.7900   36.8430 N   0  0  0  0  0  0  0  0  0  0  0  0
   30.1430   27.4840   39.9170 H   0  0  0  0  0  0  0  0  0  0  0  0
   33.4720   25.2380   37.8450 H   0  0  0  0  0  0  0  0  0  0  0  0
   34.0050   26.3990   36.7980 H   0  0  0  0  0  0  0  0  0  0  0  0
   29.8810   28.2960   36.0850 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  2  3  1  0  0  0  0
  2  4  1  0  0  0  0
  4  5  1  0  0  0  0
  4  8  2  0  0  0  0
  5  6  1  0  0  0  0
  5 13  1  0  0  0  0
  6  7  2  0  0  0  0
  6 12  1  0  0  0  0
  8  9  1  0  0  0  0
  8 10  1  0  0  0  0
  9 14  1  0  0  0  0
  9 15  1  0  0  0  0
 10 11  2  0  0  0  0
 10 12  1  0  0  0  0
 12 16  1  0  0  0  0
M  CHG  2   2   1   3  -1
M  END
> <OPENEYE_ISO_SMILES>
c1(c([nH]c(=O)[nH]c1=O)[N+](=O)[O-])N

> <OPENEYE_INCHI>
InChI=1S/C4H4N4O4/c5-1-2(8(11)12)6-4(10)7-3(1)9/h5H2,(H2,6,7,9,10)

> <OPENEYE_INCHIKEY>
CLOSWQFGCBFNCK-UHFFFAOYSA-N

> <FORMULA>
C4H4N4O4

$$$$
