title: Sulphonium analogue of lecithin in diatoms.
mesh_terms: D056890:Eukaryota / Q000032:analysis*; D009682:Magnetic Resonance Spectroscopy; D009861:Onium Compounds / Q000032:analysis; D010713:Phosphatidylcholines / Q000031:analogs & derivatives / Q000378:metabolism; D013452:Sulfonium Compounds / Q000032:analysis / Q000378:metabolism
chemical_list: D009861:Onium Compounds; D010713:Phosphatidylcholines; D013452:Sulfonium Compounds