321-02-8 Beta-nicotinate D-ribonucleotide NICOTINATE_NUCLEOTIDE NaMN beta-nicotinate-D-nucleotide deamido-NMN deamido-nicotinamide mononucleotide nicotinate mononucleotide nicotinate nucleotide nicotinate ribonucleotide nicotinate-D-ribonucleotide nicotinic acid mononucleotide nicotinic acid nucleotide nicotinic acid ribonucleotide