| 摘要 |
The invention relates to compounds of formula I: wherein R1, R2, and n are defined in the detailed description and claims. In particular, the present invention relates to the compounds of formula I for use in the manufacture and delivery of conjugated moieties such as small molecules, peptides, nucleic acids, fluorescent moieties, and polymers which are linked to VLA-4 integrin antagonists to target cells expressing VLA-4. |
