title: Polypeptides. XXI. Synthesis of some sequential macromolecular polypeptolides of L-leucine and L-2-hydroxy-4-methylpentanoic acid.
mesh_terms: D000595:Amino Acid Sequence; D006900:Hydroxylation; D007930:Leucine; D008745:Methylation; D009842:Oligopeptides / Q000138:chemical synthesis*; D014631:Valerates
chemical_list: D009842:Oligopeptides; D014631:Valerates; D007930:Leucine