CO3
  -OEChem-06212418173D

  4  3  0     0  0  0  0  0  0999 V2000
   68.0200   55.9460   15.7930 C   0  0  0  0  0  0  0  0  0  0  0  0
   69.1420   56.1620   15.2400 O   0  0  0  0  0  0  0  0  0  0  0  0
   66.9660   55.5760   15.1460 O   0  5  0  0  0  0  0  0  0  0  0  0
   67.9760   56.1280   17.0540 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
M  CHG  2   3  -1   4  -1
M  END
> <OPENEYE_ISO_SMILES>
C(=O)([O-])[O-]

> <OPENEYE_INCHI>
InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4)/p-2

> <OPENEYE_INCHIKEY>
BVKZGUZCCUSVTD-UHFFFAOYSA-L

> <FORMULA>
CO3-2

$$$$