| 558 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {21} |
| 17 | DF | .~ Isothiocyanate esters (i.e., compounds containing the isothiocyanate group, -N=C=S, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {1} |
| 18 |  | .~.~ Processes for forming the isothiocyanate group {1} |
| 19 | DF | .~.~.~> Thiocyano, isocyanate, or isocyanide dihalide group containing compound utilized (i.e., -SCN, -N=C=O, or -N=CXX containing compound utilized wherein X is halogen) |