PO4
  -OEChem-04192423173D

  5  4  0     0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 P   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000   -1.2880   -0.9110 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    1.2880   -0.9110 O   0  5  0  0  0  0  0  0  0  0  0  0
   -1.2880    0.0000    0.9110 O   0  5  0  0  0  0  0  0  0  0  0  0
    1.2880    0.0000    0.9110 O   0  5  0  0  0  0  0  0  0  0  0  0
  1  2  2  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
  1  5  1  0  0  0  0
M  CHG  3   3  -1   4  -1   5  -1
M  END
> <OPENEYE_ISO_SMILES>
[O-]P(=O)([O-])[O-]

> <OPENEYE_INCHI>
InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3

> <OPENEYE_INCHIKEY>
NBIIXXVUZAFLBC-UHFFFAOYSA-K

> <FORMULA>
O4P-3

$$$$