上游原料
beta-D-fructopyranose(3R,4R,5R)-5-((benzoyloxy)methyl)-3-methyl-2-oxotetrahydrofuran-3,4-diyl dibenzoate(3R,4R,5R)-5-((benzoyloxy)methyl)-2-hydroxy-3-methyltetrahydrofuran-3,4-diyl dibenzoate(3R,4R,5R)-5-((benzoyloxy)methyl)-3-methyltetrahydrofuran-2,3,4-triyl tribenzoateCytosine; 4-Amino-2(1H)-pyrimidinone2R,3R,4R,5R)-2-(4-amino-2-oxopyrimidin-1(2H)-yl)-5-((benzoyloxy)methyl)-3-methyltetrahydrofuran-3,4-diyl dibenzoate4-amino-1-((2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidin-2(1H)-one(2S)-2-[(tert-butoxycarbonyl)amino]-3-methylbutyric acid(2R,3R,4R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-4-hydroxy-2-(hydroxymethyl)-4-methyltetrahydrofuran-3-yl (tert-butoxycarbonyl)-L-valinateN-(2-Oxo-1,2-dihydro-4-pyrimidinyl)benzamide; N-Benzoylcytosine(2R,3R,4R,5R)-2-(4-benzamido-2-oxopyrimidin-1(2H)-yl)-5-((benzoyloxy)methyl)-3-methyltetrahydrofuran-3,4-diyl dibenzoate(Z)-N'-(1-((2R,3R,4R,5R)-5-(((tert-butyldiphenylsilyl)oxy)methyl)-3,4-dihydroxy-3-methyltetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)-N,N-dimethylformimidamide(2R,3R,4R,5R)-2-(((tert-butyldiphenylsilyl)oxy)methyl)-5-(4-(((Z)-(dimethylamino)methylene)amino)-2-oxopyrimidin-1(2H)-yl)-4-hydroxy-4-methyltetrahydrofuran-3-yl (tert-butoxycarbonyl)-L-valinate2-C-Methyl-D-ribono-1,4-lactone; 3,4-Dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-one
