(2R，3S，5R)-2-(羟基甲基)-5-(5-甲基-2，4-二氧代-3，4-二氢嘧啶-1(2H)-基)四氢呋喃-3-基乙酸酯

(2R，3S，5R)-2-(羟基甲基)-5-(5-甲基-2，4-二氧代-3，4-二氢嘧啶-1(2H)-基)四氢呋喃-3-基乙酸酯

(2R，3S，5R)-2-(Hydroxymethyl)-5-(5-methyl-2，4-dioxo-3，4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl acetate