RDKit          

  2  1  0  0  0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  3  0
M  CHG  2   1  -1   2   1
M  END
> <PUBCHEM_COMPOUND_CID>
281

> <NAME>
carbon monoxide


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