上游原料
[(2R,3R,4S,5R)-3,5-bis(benzoyloxy)-4-fluorotetrahydro-2-furanyl]methyl benzoate C, 53.92; H, 3.81; Br, 18.88; F, 4.49; O, 18.90N-(2-Oxo-1,2-dihydro-4-pyrimidinyl)benzamide; N-Benzoylcytosine[(2R,3R,4S,5R)-5-(4-benzamido-2-oxopyrimidin-1-yl)-3-benzoyloxy-4-fluorooxolan-2-yl]methyl benzoate4-amino-1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2(1H)-pyrimidinone4-amino-1-((3S,4S,5R)-3-fluoro-4-hydroxy-5-iodotetrahydrofuran-2-yl)pyrimidin-2(1H)-one4-amino-1-((2R,3S,4S,5S)-5-azido-3-fluoro-4-hydroxy-5-iodotetrahydrofuran-2-yl)pyrimidin-2(1H)-one(2S,3S,4S,5R)-2-azido-5-(4-benzamido-2-oxopyrimidin-1(2H)-yl)-4-fluoro-2-iodotetrahydrofuran-3-yl benzoate((2R,3R,4S,5R)-2-azido-5-(4-benzamido-2-oxopyrimidin-1(2H)-yl)-3-(benzoyloxy)-4-fluorotetrahydrofuran-2-yl)methyl 3-chlorobenzoate