NO2
  -OEChem-10252417133D

  3  2  0     0  0  0  0  0  0999 V2000
    0.0000   -0.4240    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0550    0.1850    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.0550    0.1850    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  1  3  1  0  0  0  0
M  CHG  1   3  -1
M  END
> <OPENEYE_ISO_SMILES>
N(=O)[O-]

> <OPENEYE_INCHI>
InChI=1S/HNO2/c2-1-3/h(H,2,3)/p-1

> <OPENEYE_INCHIKEY>
IOVCWXUNBOPUCH-UHFFFAOYSA-M

> <FORMULA>
NO2-

$$$$