NC72163
(5′R)-3′-O-Dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-(triethylsilyl)adenylyl-1,2-ethynediyl-(8→5′-C)-(5′R)-3′-O-dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylethyl)silyl]adenylyl-1,2-ethynediyl-(8→5′-C)-(5′R)-3′-O-dephosphinico-2′,3′-O-(1-methylethylidene)-5′-O-[tris(1-methylet...