title: Syntheses of 15N-enriched polyamines.
mesh_terms: D011073:Polyamines / Q000138:chemical synthesis*; D013095:Spermidine / Q000138:chemical synthesis; D013096:Spermine / Q000138:chemical synthesis
chemical_list: D011073:Polyamines; D013096:Spermine; D013095:Spermidine