IUM
  -OEChem-05032420383D

  3  2  0     0  0  0  0  0  0999 V2000
  -18.1050   27.7320   15.1890 U   0  0  0  0  0  0  0  0  0  0  0  0
  -18.5780   27.2260   13.4290 O   0  5  0  0  0  0  0  0  0  0  0  0
  -17.7590   27.9890   16.9560 O   0  5  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  1  0  0  0  0
M  CHG  3   1   4   2  -1   3  -1
M  END
> <OPENEYE_ISO_SMILES>
[O-][U+4][O-]

> <OPENEYE_INCHI>
InChI=1S/2O.U/q2*-1;+4

> <OPENEYE_INCHIKEY>
SUPITXAKBSTVAN-UHFFFAOYSA-N

> <FORMULA>
O2U+2

$$$$
