I3M
  -OEChem-04192423163D

  3  2  0     0  0  0  0  0  0999 V2000
   -2.6600   -0.0000   -0.0000 I   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0000    0.0000    0.0000 I   0  5  0  0  0  0  0  0  0  0  0  0
    2.6600   -0.0000   -0.0000 I   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
M  CHG  1   2  -1
M  END
> <OPENEYE_ISO_SMILES>
I[I-]I

> <OPENEYE_INCHI>
InChI=1S/I3/c1-3-2/q-1

> <OPENEYE_INCHIKEY>
WRTMQOHKMFDUKX-UHFFFAOYSA-N

> <FORMULA>
I3-

$$$$