nicotinamide3-carbamoylpyridine3-pyridinecarboxamideNiacinamideNicotinamidNicotinsaeureamidNikotinamidNikotinsaeureamidVitamin PPbeta-pyridinecarboxamidem-(aminocarbonyl)pyridineniacinniamidenicotinamidenicotine acid amidenicotine amidenicotinic acid amidenicotinic amidenicotylamidepyridine-3-carboxylic acid amidevitamin B3