The molecule is a nicotinamide dinucleotide that is NAD(+) in which the anomeric centre of the ribosylnicotinamide moiety has alpha- rather than beta-configuration It is a conjugate acid of an alpha-NAD(1-).
[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [(2R,3S,4R,5S)-5-(3-carbamoylpyridin-1-ium-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl hydrogen phosphate