word mesh match name chebi Nicotinic Acid NA nicotinic acid pyridine-3-carboxylic acid chebi:15940 Tryptophan NA tryptophan (2S)-2-azaniumyl-3-(1H-indol-3-yl)propanoate chebi:57912 NAMPT NA Nampt NA chebi:195368 NMN NA NMN 3-carbamoyl-1-[5-O-(hydroxyphosphinato)-beta-D-ribofuranosyl]pyridinium chebi:16171 N-oxide NA N-oxide NA chebi:35580 NNO NA Nno nonanoyl chebi:25580 Deamido-NAD NA Deamido-NAD adenosine 5'-{3-[1-(3-carboxypyridinio)-1,4-anhydro-D-ribitol-5-yl] dihydrogen diphosphate} chebi:18304