NC72155
6′,7′-Dideoxy-2′-O-dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]uridylyl-(6→7′)-6′,7′-dideoxy-2′-O-dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]-β-D-allo-hept-6-ynofuranouridylyl-(6→7′)-6′,7′-dideoxy-2′-O-dephosphinico-2′,3′-O-(1-methylethyli...