| 558 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {21} |
| 230 | DF | .~ Esters having the thiocarboxylate group, -C(=X)X-, wherein the X's are the same or diverse chalcogens, with at least one X being sulfur, and wherein the single bonded X is bonded directly to an additional carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon {5} |
| 232 | DF | .~.~ Nitrogen bonded directly to the carbon of the -C(=X)X- group (e.g., thiocarbamates, etc.) {6} |
| 234 | | .~.~.~ The -C(=X)X- is -C(=S)O- |