上游原料
5-chloro-2-[[(2-phenylacetyl)oxy]methyl]tetrahydro-3-furanyl 2-phenylacetate5-[(E)-2-bromoethenyl]-2,4-bis[(trimethylsilyl)methyl]pyrimidine5-[5-[(E)-2-bromoethenyl]-2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl]-2-[[(2-phenylacetyl)oxy]methyl]tetrahydro-3-furanyl 2-phenylacetateethyl acrylate1-[(2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione; 2'-Deoxyuridinechloro[1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl]mercuryethyl (E)-3-[1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl]-2-propenoate(E)-3-[1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl]-2-propenoic acid
