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![[(2R,3S,4R,5R)-5-[4-氨基-2-氧代嘧啶-1(2H)-基]-3,4-二羥基四氫呋喃-2-基]甲基二磷酸氫鈉](/shaoyhuaxue/structure/SY105635.gif)
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![1-[(2R,3S,4R,5R)-3,4-二羥基-5-(羥甲基)四氫-2-呋喃基]嘧啶-2,4(1H,3H)-二酮](/shaoyhuaxue/structure/SY294272.gif)
