| 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 | DF | .~.~ Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) {20} |
| 416 | DF | .~.~.~ Polycyclo ring system having the five-membered hetero ring as one of the cyclos {5} |
| 452 | DF | .~.~.~.~ Bicyclo ring system having the five-membered hetero ring as one of the cyclos (e.g., octahydroindoles, etc.) {7} |
| 469 | DF | .~.~.~.~.~ The bicyclo ring system consists of the five-membered hetero ring and a benzene ring (e.g., indole, etc.) {10} |
| 484 |  | .~.~.~.~.~.~ Chalcogen bonded directly to ring carbon of the five-membered hetero ring (e.g., 3-indolols, etc.) {4} |
| 485 | DF | .~.~.~.~.~.~.~> Plural chalcogens bonded directly to ring carbons of the five-membered hetero ring (e.g., isatins, etc.) |
| 486 | DF | .~.~.~.~.~.~.~> The chalcogen is bonded directly to a ring carbon of the five-membered hetero ring which is adjacent to the ring nitrogen (e.g., 2-indolinones, etc.) {1} |
| 488 | DF | .~.~.~.~.~.~.~> Polycyclo carbocyclic ring system bonded direcly to a ring carbon of the five-membered hetero ring (e.g., indol-alpha-naphtholindigo, etc.) |
| 489 | DF | .~.~.~.~.~.~.~> Process of forming the bicyclo ring system directly from reactant which contains acyclic nitrogen bonded directly to a benzene ring (e.g., indoxyl from phenylglycine, etc.) |