160056-49-5 9H-Purin-6-amine, 9-[2-amino-2-deoxy-3,5- O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]- .beta.-D-ribofuranosyl]- Adenosine, 2'-amino-2'-deoxy-3',5'- O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]- NSC687330