| 560 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {17} |
| 312 | DF | .~ Hydroxamate esters or chalcogen analogues thereof (i.e., compounds having the -C(=X)-NH-X- group, wherein the X's may be the same or diverse chalcogens and substitution may be made for hydrogen only, and wherein the single bonded X is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {2} |
| 313 |  | .~.~ Nitrogen bonded directly to the carbon of the -C(=X)-NH-X- group {1} |
| 314 | DF | .~.~.~> The single bonded X is sulfur, or the substituent nitrogen is bonded directly to acyclic or alicyclic carbon |