| 摘要 |
The invention relates to nucleosides, nucleotides and oligonucleotides carrying in their basic structure a primary hydroxyl group protected by tris-4,4',4''-tert-butylphenylmethyl, to processes for the preparation of said nucleosides and nucleotides, to a process for the preparation of oligonucleotides, and to the use of said protected nucleosides, nucleotides and oligonucleotides.
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