Marine steroids. 1. Structures of the principal aglycones from the saponins of the starfish, Marthasterias glacialis.
D000818:Animals; D002849:Chromatography, Gas; D006914:Hydroxysteroids / Q000138:chemical synthesis / Q000302:isolation & purification; D007664:Ketosteroids / Q000138:chemical synthesis / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D013215:Starfish; D013261:Sterols / Q000138:chemical synthesis* / Q000302:isolation & purification
D006914:Hydroxysteroids; D007664:Ketosteroids; D013261:Sterols