| 摘要 |
Oligonucleotide comprising a nucleotide base having formula (I) wherein B is a nucleotide base or hydrogen; R1 and R2 indepently are selected from the group consisting of hydrogen, an alkyl group containing between 2 and 10 carbon atoms inclusive, an amine, an amino acid, and a peptide containing between 2 and 5 amino acids inclusive; and the zigzag lines are independently hydrogen or a bond.
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