570 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
101 | DF | .~ HALOGEN CONTAINING {21} |
241 | DF | .~.~ Preparing utilizing plural diverse reactions in separate zones {1} |
242 | .~.~.~ Addition reaction of hydrogen chloride to carbon to carbon unsaturation with chlorination in separate zone |