NC49423
Uridine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[5-[[[(2-mercaptoethyl)amino]thioxomethyl]amino]-1-pentyn-1-yl]-, thioether with O-2,6-dideoxy-2,6-bis[[(1,1-dimethylethoxy)carbonyl]amino]-3,4-bis-O-(2,2,2-trifluoroacetyl)-β-L-idopyranosyl-(1→3)-O-5-thio-2-O-(2,2,2-trifluoroacetyl)...