title: Sterol compositions of sea squirts (Ascidiacea).
mesh_terms: D000818:Animals; D002776:Cholestanes / Q000032:analysis; D002784:Cholesterol / Q000031:analogs & derivatives / Q000032:analysis; D002816:Chordata, Nonvertebrate / Q000032:analysis*; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D013058:Mass Spectrometry; D008974:Mollusca / Q000032:analysis; D013045:Species Specificity; D013055:Spectrophotometry, Infrared; D013261:Sterols / Q000032:analysis*
chemical_list: D002776:Cholestanes; D013261:Sterols; D002784:Cholesterol