title: Creatinine: a precursor of methylguanidine.
mesh_terms: D000818:Animals; D001120:Arginine / Q000378:metabolism; D001345:Autoradiography; D002250:Carbon Radioisotopes; D002852:Chromatography, Ion Exchange; D003404:Creatinine / Q000378:metabolism*; D006146:Guanidines / Q000096:biosynthesis* / Q000652:urine; D009355:Neomycin / Q000494:pharmacology; D009761:Nystatin / Q000494:pharmacology; D051381:Rats; D013411:Sulfadiazine / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology; D014508:Urea / Q000378:metabolism
chemical_list: D002250:Carbon Radioisotopes; D006146:Guanidines; D013411:Sulfadiazine; D009761:Nystatin; D014508:Urea; D001120:Arginine; D003404:Creatinine; D013752:Tetracycline; D009355:Neomycin