title: Use of nuclear magnetic resonance in determining molecular structure of urinary constituents of low molecular weight.
mesh_terms: D000225:Adenine / Q000032:analysis; D000814:Aniline Compounds / Q000032:analysis; D003404:Creatinine / Q000032:analysis; D006147:Guanine / Q000032:analysis; D007042:Hypoxanthines / Q000032:analysis; D009682:Magnetic Resonance Spectroscopy; D009536:Niacinamide / Q000032:analysis; D010615:Phenacetin / Q000032:analysis; D014498:Uracil / Q000032:analysis; D014529:Uridine / Q000032:analysis; D014556:Urine / Q000032:analysis*
chemical_list: D000814:Aniline Compounds; D007042:Hypoxanthines; D009536:Niacinamide; D014498:Uracil; D006147:Guanine; D003404:Creatinine; D010615:Phenacetin; D000225:Adenine; D014529:Uridine