562 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
* | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {41} |
800 | DF | .~ Hydroxamic acid halides or chalcogen analogs therof (i.e., compounds having the -C(=X)NH-halo group, wherein X is chalcogen and substitution may be made for hydrogen only) {1} |
801 | .~.~ Additional nitrogen bonded directly to the -C(=X)- group (e.g., urea halides, etc.) |