Nicotinamide mononucleotide (NMN) exists as a and b anomeric forms while it is identified as nicotinamide ribotide, nicotinamide-1-ium-1-b-D-ribofuranoside 5 0 -phosphate, b-nicotinamide ribose monophosphate and 3-carbamoyl-1-[5-O-(hydroxyphosphinato)-b-D...