| 585 / | HD | CHEMISTRY OF HYDROCARBON COMPOUNDS |
| 700 | DF | SATURATED COMPOUND SYNTHESIS {11} |
| 709 | DF | .~ By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. {11} |
| 721 | DF | .~.~ Using extraneous nonhydrocarbon agent {6} |
| 730 | | .~.~.~ S-containing {1} |
| 731 | DF | .~.~.~.~> Sulfuric acid with additional nonhydrocarbon agent |