title: Isobutane chemical ionization mass spectrometry of dipeptides.
mesh_terms: D000577:Amides; D000596:Amino Acids; D002073:Butanes; D055598:Chemical Phenomena; D002621:Chemistry; D003500:Cyclization; D004151:Dipeptides / Q000032:analysis*; D007094:Imides; D007097:Imines; D007477:Ions; D013058:Mass Spectrometry; D008722:Methods; D010456:Peptides, Cyclic; D010879:Piperazines
chemical_list: D000577:Amides; D000596:Amino Acids; D002073:Butanes; D004151:Dipeptides; D007094:Imides; D007097:Imines; D007477:Ions; D010456:Peptides, Cyclic; D010879:Piperazines