title: Synthesis and carbon-13 nuclear magnetic resonance spectra of cyclo (D-leucyl-L-leucine) and cyclo (L-leucyl-L-leucine).
mesh_terms: D004151:Dipeptides / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D010456:Peptides, Cyclic / Q000138:chemical synthesis*; D013237:Stereoisomerism
chemical_list: D004151:Dipeptides; D010456:Peptides, Cyclic