title: Characterization of novel poly(aromatic amine-2,3-pyridinedione) oligomers by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.
mesh_terms: D000588:Amines / Q000737:chemistry*; D015394:Molecular Structure; D011108:Polymers / Q000737:chemistry*; D019032:Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / Q000379:methods*
chemical_list: D000588:Amines; D011108:Polymers