NC76244
3′-Uridylic acid, 2′-deoxy-5-[4-[1-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-butenyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, mono(2-cyanoethyl) ester, cyclic nucleotide