| 423 / | HD | CHEMISTRY OF INORGANIC COMPOUNDS |
| 579 | DF | OXYGEN OR COMPOUND THEREOF {4} |
| 582 | DF | .~ Peroxide {2} |
| 584 | DF | .~.~ Hydrogen {3} |
| 587 | DF | .~.~.~ From organic reactant {2} |
| 588 | DF | .~.~.~.~ By oxidizing hydroquinone or anthraquinone {2} |
| 590 | | .~.~.~.~.~ Including dissolving reactant in alcohol containing solvent |