9-((2R,3R,4R,5R)-3,4-bis((trimethylsilyl)oxy)-5-(((trimethylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-2-methyl-9H-purin-6-amine

乙酸酐

2-甲基-1H-嘌呤-6-胺