560 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {17} |
305 | .~ Perborate esters or chalcogen analogues thereof (i.e., compounds having the -X-X- group, wherein the X's are the same or diverse chalcogens, bonded directly to boron and to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) |