552 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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* | DD | ORGANIC COMPOUNDS (Class 532, subclass 1) {11} |
502 | DF | .~ Cyclopentanohydrophenanthrene ring system containing {21} |
623 | DF | .~.~ Two oxygens bonded directly to the cyclopentanohydrophenanthrene ring system {5} |
633 | | .~.~.~ Carbon bonded directly at the 10- and 13-positions (e.g., androstenes, etc.) {5} |
634 | DF | .~.~.~.~> Carbon or halogen bonded directly at the 1- or 3-position |
635 | DF | .~.~.~.~> Carbon or halogen bonded directly at the 2- or 4-position |
636 | DF | .~.~.~.~> Unsaturation between the 5- and 6-positions (e.g., dehydroandrosterones, etc.) {1} |
638 | DF | .~.~.~.~> Unsaturation between the 4- and 5-positions (e.g., testosterones, etc.) {2} |
641 | DF | .~.~.~.~> The cyclopentanohydrophenanthrene ring system is fully saturated (e.g., androstandiols, androsterones, dihydrotestosterones, etc.) |