RDKit          

  1  0  0  0  0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
M  CHG  1   1   1
M  END
> <PUBCHEM_COMPOUND_CID>
223

> <NAME>
ammonium


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