| 568 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES | 
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {4} | 
| 300 | DF | .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11} | 
| 700 | DF | .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10} | 
| 840 | DF | .~.~.~ Acyclic {16} | 
| 876 | DF | .~.~.~.~ Preparing from carbonyl containing compound {3} | 
| 878 |  | .~.~.~.~.~ From aldehyde or ketone {2} | 
| 879 | DF | .~.~.~.~.~.~> By reaction of aldehyde with olefin (i.e.,by Prins reaction) | 
| 880 | DF | .~.~.~.~.~.~> By reduction (e.g., by hydrogenation, etc.) {1} |