D3O
  -OEChem-04192423333D

  4  3  0     0  0  0  0  0  0999 V2000
    1.5340   37.7170   -2.0610 O   0  3  0  0  0  0  0  0  0  0  0  0
    2.4840   37.7170   -2.0610 H   1  0  0  0  0  0  0  0  0  0  0  0
    1.2170   37.7170   -1.1650 H   1  0  0  0  0  0  0  0  0  0  0  0
    1.2170   38.4930   -2.5090 H   1  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
M  CHG  1   1   1
M  ISO  3   2   2   3   2   4   2
M  END
> <OPENEYE_ISO_SMILES>
[2H][O+]([2H])[2H]

> <OPENEYE_INCHI>
InChI=1S/H2O/h1H2/p+1/i/hD3

> <OPENEYE_INCHIKEY>
XLYOFNOQVPJJNP-ZRLBSURWSA-O

> <FORMULA>
H3O+

$$$$