NC149819
3′-Thymidylic acid, α-[1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-3-[[2-(trimethylsilyl)ethoxy]methyl]-5-pyrimidinyl]-5,6-dihydro-5-methyl-3-[[2-(trimethylsilyl)ethoxy]methyl]-, mono(2-chlorophenyl) ester, intramol
3′→..