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} |
81 | DF | .~.~ Germanium, tin, or lead containing (Ge, Sn, or Pb) {6} |
105 | DF | .~.~.~ Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens {2} |
106 | .~.~.~.~ Carbocyclic ring bonded directly to the carbon of the -C(=X)X- group (e.g., lead phthalates, etc.) |