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 C   0  0  0  0  0  3  0  0  0  0  0  0
  1  2  2  0
M  RAD  1   2   2
M  END
> <PUBCHEM_COMPOUND_CID>
123166

> <NAME>
Vinyl radical


$$$$