5 -pregn-9(11)-ene-3 ,6 -diol-20-one and 5 -cholesta-9(11),20(22)-diene-3 ,6 -diol-23-one. Two novel steroids from the starfish Acanthaster planci.
D002776:Cholestanes / Q000302:isolation & purification*; D011278:Pregnanes / Q000302:isolation & purification*; D013215:Starfish; D013237:Stereoisomerism
D002776:Cholestanes; D011278:Pregnanes