RU1
  -OEChem-05032420113D

  5  4  0     0  0  0  0  0  0999 V2000
   -2.9930   -0.0000   -0.0000 O   0  3  0  0  0  0  0  0  0  0  0  0
   -1.9900   -0.0000   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 Ru  0  2  0  0  0  0  0  0  0  0  0  0
    1.9900    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.9930   -0.0000   -0.0000 O   0  3  0  0  0  0  0  0  0  0  0  0
  1  2  3  0  0  0  0
  2  3  1  0  0  0  0
  3  4  1  0  0  0  0
  4  5  3  0  0  0  0
M  CHG  3   1   1   3   2   5   1
M  END
> <OPENEYE_ISO_SMILES>
C(#[O+])[Ru+2]C#[O+]

> <OPENEYE_INCHI>
InChI=1S/2CO.Ru/c2*1-2;/q2*+1;+2

> <OPENEYE_INCHIKEY>
HLYOBVRGNSSECA-UHFFFAOYSA-N

> <FORMULA>
C2O2Ru+4

$$$$