558 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {21} |
303 | DF | .~ Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {21} |
308 | DF | .~.~ Processes for forming the cyano group {7} |
318 | DF | .~.~.~ Ammonia utilized {3} |
319 | DF | .~.~.~.~ And molecular oxygen or a molecular oxygen containing gas {2} |
327 | | .~.~.~.~.~ Acting on a benzene ring-containing compound {1} |
328 | DF | .~.~.~.~.~.~> Alkali metal containing material utilized |