title: Intramolecular hydrogen bonding in bilirubin.
mesh_terms: D001663:Bilirubin; D055598:Chemical Phenomena; D002621:Chemistry; D003903:Deuterium; D006859:Hydrogen; D007259:Infrared Rays; D008956:Models, Chemical; D013057:Spectrum Analysis; D014316:Tritium
chemical_list: D014316:Tritium; D006859:Hydrogen; D003903:Deuterium; D001663:Bilirubin