562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
806 | .~ Boron halides (i.e., compounds having halogen attached directly to boron by nonionic bonding {1} | |
807 | DF | .~.~> Phosphorus attached directly or indirectly to the boron by nonionic bonding |