title: Change exchange mass spectra of trimethylsilyl ethers of biologically important compounds: an analytical technique.
mesh_terms: D002635:Chenodeoxycholic Acid / Q000032:analysis*; D002849:Chromatography, Gas; D013058:Mass Spectrometry; D008738:Methyl Ethers / Q000032:analysis; D012825:Silicon
chemical_list: D008738:Methyl Ethers; D002635:Chenodeoxycholic Acid; D012825:Silicon