| 548 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| * | DD | .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {4} |
| 400 |  | .~.~ Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) {20} |
| 401 | DF | .~.~.~> With preservative or stabilizer |
| 402 | DF | .~.~.~> Heavy metal or aluminum containing {2} |
| 405 | DF | .~.~.~> Boron containing |
| 406 | DF | .~.~.~> Silicon containing |
| 407 | DF | .~.~.~> Spiro {1} |
| 412 | DF | .~.~.~> Phosphorus attached directly to the five-membered hetero ring by nonionic bonding |
| 413 | DF | .~.~.~> Phosphorus attached indirectly to the five-membered hetero ring by nonionic bonding {1} |
| 416 | DF | .~.~.~> Polycyclo ring system having the five-membered hetero ring as one of the cyclos {5} |
| 517 | DF | .~.~.~> Additional hetero ring, which is attached directly or indirectly to the five-membered hetero ring by nonionic bonding {3} |
| 528 | DF | .~.~.~> Polycyclo carbocyclic ring system having at least three cyclos {1} |
| 530 | DF | .~.~.~> Having -C(=X)-, wherein X is chalcogen, bonded directly to the five membered hetero ring (e.g., pyrrole carbonyl halides, pyrrole carboxaldehyde, etc.) {4} |
| 541 | DF | .~.~.~> Chalcogen attached directly to the five-membered hetero ring by nonionic bonding (e.g., 3-pyrrolidinols, etc.) {3} |
| 557 | DF | .~.~.~> Nitrogen attached directly to the five-membered hetero ring by nonionic bonding {1} |
| 560 | DF | .~.~.~> Two double bonds between ring members of the five-membered hetero ring {4} |
| 565 | DF | .~.~.~> One double bond between ring members of the five-membered hetero ring (i.e., pyrrolines) |
| 566 | DF | .~.~.~> Nitrogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding {2} |
| 570 | DF | .~.~.~> Chalcogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding {2} |
| 577 | DF | .~.~.~> Benzene ring bonded directly to the five-membered hetero ring |
| 578 | DF | .~.~.~> Benzene ring in a substituent attached to the ring nitrogen of the five membered hetero ring by nonionic bonding |
| 579 | DF | .~.~.~> The five-membered hetero ring is unsubstituted or is alkyl substituted only (e.g., pyrrolidine, etc.) |