title: Naturally occurring lipoidal derivatives of 3 beta-hydroxy-5-pregnen-20-one; 3 beta,17 alpha-dihydroxy-5-pregnen-20-one and 3 beta-hydroxy-5-androsten-17-one.
mesh_terms: D006907:17-alpha-Hydroxypregnenolone / Q000302:isolation & purification*; D000089:Acetic Anhydrides; D000311:Adrenal Glands / Q000032:analysis*; D000737:Androstenols / Q000302:isolation & purification*; D000818:Animals; D002417:Cattle; D002845:Chromatography / Q000379:methods; D008055:Lipids / Q000032:analysis; D013058:Mass Spectrometry; D011284:Pregnenolone / Q000302:isolation & purification*
chemical_list: D000089:Acetic Anhydrides; D000737:Androstenols; D008055:Lipids; D006907:17-alpha-Hydroxypregnenolone; D011284:Pregnenolone