title: Occurrence of sym-homospermidine in extremely thermophilic bacteria.
mesh_terms: D006358:Hot Temperature; D009682:Magnetic Resonance Spectroscopy; D011073:Polyamines / Q000302:isolation & purification; D013055:Spectrophotometry, Infrared; D013095:Spermidine / Q000031:analogs & derivatives* / Q000032:analysis; D013824:Thermus / Q000032:analysis*
chemical_list: D011073:Polyamines; C007961:sym-homospermidine; D013095:Spermidine