code: @Override
      public void add(IMolecularFormulaSet formulaSet) {
  
          for (IMolecularFormula mf : formulaSet.molecularFormulas()) {
              addMolecularFormula(mf);
          }
      }
docs: Adds all molecularFormulas in the AdductFormula to this chemObject.
  
  @param  formulaSet  The MolecularFormulaSet