[(2S,3R,5R)-2-acetyloxy-5-(5-formyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]methyl acetate 、
3-Amino-2,2,5,5-tetramethylpyrolidine nitroxide 生成 [(2S,3R,5R)-2-acetyloxy-5-[2,4-dioxo-5-[[(2,2,5,5-tetramethyl-1-oxopyrrolidin-1-ium-3-yl)amino]methyl]pyrimidin-1-yl]oxolan-3-yl]methyl acetate