title: Minor and trace sterols from marine invertebrates 29. (22E)-ergosta-5,22,25-trien-3 beta-ol and (22E,24R)-24,26-dimethylcholesta-5,22,25(27)-trien-3 beta-ol. Two new marine sterols from the sponge Pseudaxinella lunacharta.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D002782:Cholestenes / Q000302:isolation & purification*; D004875:Ergosterol / Q000302:isolation & purification* / Q000031:analogs & derivatives; D011161:Porifera / Q000378:metabolism*
chemical_list: D002782:Cholestenes; C032800:(22E,24R)-24,26-dimethylcholesta-5,22,25(27)-trien-3beta-ol; C065590:ergosta-5,22,25-trien-3-ol; D004875:Ergosterol