CO3
  -OEChem-04122417483D

  4  3  0     0  0  0  0  0  0999 V2000
    0.0000    0.0000   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3020    0.0180    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.6660    1.1180    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0
    0.6350   -1.1360    0.0000 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

$$$$