HGN
  -OEChem-04192423343D

  2  1  0     0  0  0  0  0  0999 V2000
  -35.9800   28.9830    1.5540 Hg  0  0  0  0  0  0  0  0  0  0  0  0
  -37.3510   31.6860    0.5260 Hg  0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
[Hg][Hg]

> <OPENEYE_INCHI>
InChI=1S/2Hg

> <OPENEYE_INCHIKEY>
KYKQHSMYWLWROM-UHFFFAOYSA-N

> <FORMULA>
Hg2

$$$$
