The molecule is the anion of (6S)-6-hydroxy-1,4,5,6-tetrahydronicotinamide adenine dinucleotide arising from deprotonation of both OH groups of the diphosphate moiety. It is a conjugate base of a (S)-NADHX. It is a conjugate acid of a (S)-NADHX(2-).
[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] [(2R,3S,4R,5R)-5-[(2S)-5-carbamoyl-2-hydroxy-1,2,3,4-tetrahydropyridin-1-ium-1-yl]-3,4-dihydroxyoxolan-2-yl]methyl phosphate