568 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {4} |
300 | DF | .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11} |
303 | DF | .~.~ Ketones {10} |
308 | DF | .~.~.~ Benzene ring containing {3} |
309 | DF | .~.~.~.~ Processes {8} |
322 | .~.~.~.~.~ Oxy containing reactant |