N-(9-((1R，3R，4R，7S)-1-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-7-羟基-2，5-二氧杂双环[2.2.1]庚烷-3-基)-9H-嘌呤-6-基)苯甲酰胺

N-(9-((1R，3R，4R，7S)-1-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-7-羟基-2，5-二氧杂双环[2.2.1]庚烷-3-基)-9H-嘌呤-6-基)苯甲酰胺

N-(9-((1R，3R，4R，7S)-1-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-7-hydroxy-2，5-dioxabicyclo[2.2.1]heptan-3-yl)-9H-purin-6-yl)benzamide