| 558 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {21} |
| 10 | DF | .~ Thiocyanate esters (i.e., compounds having the thiocyano group, -SCN, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {6} |
| 14 | ![]() | .~.~ Nitrogen or carbonyl attached indirectly to the thiocyano group by acyclic nonionic bonding |