| 560 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {17} |
| 318 | ![]() | .~ Persulfonate esters (i.e., compounds having the -S(=O)(=O)-O-O- group, wherein the terminal oxygen is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) |