title: Steroid t-butyldimethylsilyl ethers as derivatives for mass fragmentography.
mesh_terms: D002087:Butyrates; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D012825:Silicon; D013256:Steroids / Q000032:analysis*; D013739:Testosterone / Q000032:analysis
chemical_list: D002087:Butyrates; D013256:Steroids; D013739:Testosterone; D012825:Silicon