556 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {3} |
1 | DF | .~ HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19} |
118 | DF | .~.~ Zinc, cadmium, or mercury containing (Zn, Cd, or Hg) {3} |
119 | .~.~.~ Sulfur double bonded directly to chalcogen {1} | |
120 | DF | .~.~.~.~> Containing -C(=X)-, wherein X is chalcogen (e.g., zinc formaldehyde sulphoxylates, etc.) |