title: Mass spectrometry of synthetic oligopeptides N, O-permethylated, N-acetylated derivatives.
mesh_terms: D000107:Acetylation; D000577:Amides; D000595:Amino Acid Sequence; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D003903:Deuterium; D005998:Glycine / Q000032:analysis; D013058:Mass Spectrometry; D008745:Methylation; D009842:Oligopeptides / Q000032:analysis* / Q000138:chemical synthesis; D010443:Peptide Chain Termination, Translational; D011760:Pyrrolidinones / Q000032:analysis
chemical_list: D000577:Amides; D009842:Oligopeptides; D011760:Pyrrolidinones; D003903:Deuterium; D005998:Glycine