570 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
101 | DF | .~ HALOGEN CONTAINING {21} |
216 | DF | .~.~ Processes of preparing, purifying, or recovering unsaturated compound {12} |
226 | DF | .~.~.~ Dehydrohalogenation {2} |
227 | .~.~.~.~ Catalyst utilized {1} | |
228 | DF | .~.~.~.~.~> Catalyst in liquid phase |