NC74893
Inosine, 8-[[(1R,2R)-1,2-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1,2-dihydro-6-chrysenyl]amino]-2′-deoxy-6-O-[2-(4-nitrophenyl)ethyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-(2,2,5,5-tetramethyl-1-aza-2,5-disilacyclopent-1-yl)-