| 208 / | HD | MINERAL OILS: PROCESSES AND PRODUCTS |
| 308 | DF | FRACTIONATION {5} |
| 311 | DF | .~ Liquid extraction with solvents {11} |
| 322 | | .~.~ Organic solvent containing {8} |
| 323 | DF | .~.~.~> With added solvent or solvent modifier {1} |
| 325 | DF | .~.~.~> Heterocyclic {2} |
| 328 | DF | .~.~.~> Nonoxo carbonylic {1} |
| 330 | DF | .~.~.~> Nitrogen-containing solvent {1} |
| 332 | DF | .~.~.~> Oxo compound containing |
| 333 | DF | .~.~.~> Oxy compound {2} |
| 336 | DF | .~.~.~> Halogen containing |
| 337 | DF | .~.~.~> Hydrocarbon |