2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-3-[5-hexyn-1-yl-(4-phenoxy)tris-(methylacetato)-1,4,7-triazacyclodecanoyl]uridine 生成 2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-3-[5-hexyn-1-yl-(4-phenoxy)tris-(methylacetato)-1,4,7-triazacyclodecanoyl]uridine 3'-O-(2-cyanoethyl-N,N-diisopropyl)phosphoramidite