methyl 2-[[1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]amino]acetate

N-苯甲酰基-5'-O-[二(4-甲氧基苯基)(苯基)甲基]-3'-脱氧胞苷

2'-O,3,3'-O,5'-O-四甲基尿苷

2-amino-4-[5-[(2S,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3-methyl-2,6-dioxopyrimidin-1-yl]butanoic acid

methyl 3-[1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]prop-2-enoate