2-氨基-9-((6aR,8R,9R,9aS)-9-羟基-2,2,4,4-四异丙基四氢-6H-呋喃并[3,2-f][1,3,5,2,4]三氧杂二硅杂环辛-8-基)-1,9-二氢-6H-嘌呤-6-酮 95%