上游原料
5-(methoxymethyl)-2,4(1H,3H)-pyrimidinedione5-(methoxymethyl)-2,4-bis[(trimethylsilyl)oxy]pyrimidine; [2,4-bis[(trimethylsilyl)oxy]-5-pyrimidinyl]methyl methyl ether(2R,3S,5R)-5-[5-(methoxymethyl)-2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl]-2-[[(4-methylbenzoyl)oxy]methyl]tetrahydro-3-furanyl 4-methylbenzoate(2R,3S,5S)-5-[2,4-dioxo-5-[[(trimethylsilyl)oxy]methyl]-3,4-dihydro-1(2H)-pyrimidinyl]-2-(hydroxymethyl)tetrahydro-3-furanyl 4-methylbenzoate(2R,3S)-5-Chloro-2-[[(4-methylbenzoyl)oxy]methyl]tetrahydro-3-furanyl 4-methylbenzoate1-[(2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione; 2'-Deoxyuridine1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-5-(hydroxymethyl)-2,4(1H,3H)-pyrimidinedione
