nicotinic acid3-Pyridylcarboxylic acid3-carboxylpyridine3-carboxypyridine3-pyridinecarboxylic acidNICOTINIC ACIDNiacinNicotinic acidNicotinsaureNikotinsaeureP.P. factorPP factoranti-pellagra vitaminbeta-pyridinecarboxylic acidm-pyridinecarboxylic acidpellagra preventive factorpyridine-beta-carboxylic acidpyridine-carboxylique-3vitamin B3