(2R，3S，4S，5R)-2-(エチル酰酸素基メチル)-2-叠窒素基-5-(2，4-二酸素代-3，4-二水素ピリミジン-1(2H)-基)テトラヒドロフラン-3，4-二基二酢酸エステル
(2R，3S，4S，5R)-2-(Acetoxymethyl)-2-azido-5-(2，4-dioxo-3，4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3，4-diyldiacetate
(2R，3S，4S，5R)-2-(Acetoxymethyl)-2-azido-5-(2，4-dioxo-3，4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3，4-diyldiacetate 95%