72I
  -OEChem-11082419093D

  5  4  0     0  0  0  0  0  0999 V2000
   -0.0000   -0.0000    0.0000 Hg  0  6  0  0  0  0  0  0  0  0  0  0
    2.1640   -0.0000    1.5300 I   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -2.1640   -1.5300 I   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1640    0.0000    1.5300 I   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    2.1640   -1.5300 I   0  0  0  0  0  0  0  0  0  0  0  0
  1  4  1  0  0  0  0
  1  2  1  0  0  0  0
  1  3  1  0  0  0  0
  1  5  1  0  0  0  0
M  CHG  1   1  -2
M  END
> <OPENEYE_ISO_SMILES>
I[Hg-2](I)(I)I

> <OPENEYE_INCHI>
InChI=1S/Hg.4HI/h;4*1H/q+2;;;;/p-4

> <OPENEYE_INCHIKEY>
RSBGXBMIRUIJTD-UHFFFAOYSA-J

> <FORMULA>
HgI4-2

$$$$