| 568 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {4} |
| 1 | ![]() | .~ BORON CONTAINING {4} |
| 2 | DF | .~.~> Phosphorus containing |
| 3 | DF | .~.~> Plural borons containing {1} |
| 6 | DF | .~.~> Sulfur, oxygen, halogen or Group IA or IIA light metal containing |
| 7 | DF | .~.~> Tri-acyclic-hydrocarbyl boron |