5'-O-(4,4'-dimethoxytrityl)-N4-(phenoxyacetyl)-2'-deoxycytidine-3'-O-succinate   、                                                                                      
5'-O-(4,4'-dimethoxytrityl)thymidine-3'-O-(2-chlorophenyl)phosphate triethylammonium salt                                                                                                                                                                                                                                                                                                          生成                                                 [(2R,3S,5R)-3-[[(2R,3S,5R)-3-[[(2R,3S,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl [(2R,3S,5R)-2-(hydroxymethyl)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl] hydrogen phosphate