title: Isolation and identification of two new nicotinamide metabolites.
mesh_terms: D000577:Amides / Q000302:isolation & purification / Q000652:urine*; D000818:Animals; D002247:Carbon Isotopes; D002849:Chromatography, Gas; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D003460:Crystallization; D004586:Electrophoresis; D005856:Germ-Free Life; D007259:Infrared Rays; D007422:Intestines / Q000382:microbiology; D008297:Male; D009536:Niacinamide / Q000378:metabolism*; D009539:Nicotinic Acids / Q000378:metabolism*; D011725:Pyridines / Q000302:isolation & purification / Q000652:urine*; D051381:Rats; D013053:Spectrophotometry; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
chemical_list: D000577:Amides; D002247:Carbon Isotopes; D009539:Nicotinic Acids; D011725:Pyridines; D009536:Niacinamide