6-amino-9-[(3R,5R)-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydrothiophen-3-yl]purine

1,4-戊二烯

(3R,5S)-5-((benzyloxy)methyl)-2-methoxytetrahydrofuran-3-ol

(2R,4S)-2-benzoyloxy-5-(benzyloxy)pentane-1,4-diol

(2R,4S)-2-benzoyloxy-5-benzyloxy-1,4-bis((methylsulfonyl)oxy)pentane