Sterol sulfates in an insect.
D002247:Carbon Isotopes; D002784:Cholesterol / Q000032:analysis*; D002845:Chromatography; D002849:Chromatography, Gas; D007313:Insecta / Q000032:analysis*; D008722:Methods; D013057:Spectrum Analysis; D013261:Sterols / Q000032:analysis*; D013431:Sulfates / Q000032:analysis
D002247:Carbon Isotopes; D013261:Sterols; D013431:Sulfates; D002784:Cholesterol