To provide a nicotinamide mononucleotide derivative having improved hydrolysis stability and a method for producing the same.SOLUTION: The present invention provides a nicotinamide mononucleotide derivative represented by formula [I] or a pharmacologically acceptable salt thereof (where Ris a hydrogen atom or a glycosyl group, with at least one of Rbeing a glycosyl group).SELECTED DRAWING: None【課題】加水分解に対する安定性を向上させたニコチンアミドモノヌクレオチド誘導体とその製造方法の提供。【解決手段】式[I]で表されるニコチンアミドモノヌクレオチド誘導体又はその薬理学的に許容される塩。(式中、R1は水素原子又はグリコシル基を示し、R1のうちの少なくとも1つはグリコシル基を示す)。【選択図】なし