| 564 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| 1 | DF | .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37} |
| 248 | DF | .~.~ Containing nitrogen double bonded directly to carbon {8} |
| 253 |  | .~.~.~ Oximes (HCH=N-OH, i.e., wherein substitution may be made for hydrogen only) {12} |
| 254 | DF | .~.~.~.~> O-esters (i.e., H of oxime -OH replaced by ester forming group) {1} |
| 256 | DF | .~.~.~.~> O-ethers (i.e., H of oxime -OH replaced by ether forming group) {1} |
| 258 | DF | .~.~.~.~> Oxygen double bonded, or hydroxy or ether oxygen bonded directly to an alpha carbon (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group Ia or IIA light metal) |
| 259 | DF | .~.~.~.~> Preparing directly by reacting carbonyl with hydroxylamine or salt thereof |
| 260 | DF | .~.~.~.~> Preparing directly by reducing nitronic acid salt |
| 261 | DF | .~.~.~.~> Preparing directly by reducing nitro group |
| 262 | DF | .~.~.~.~> Preparing directly by oxidizing a hydroxyl amine |
| 263 | DF | .~.~.~.~> Preparing directly by nitrosation of olefin |
| 264 | DF | .~.~.~.~> Purification or recovery |
| 265 | DF | .~.~.~.~> Benzene ring containing {1} |
| 267 | DF | .~.~.~.~> Six-membered alicyclic ring double bonded directly to the oxime nitrogen |
| 268 | DF | .~.~.~.~> Acyclic |