| 摘要 |
<p>Provided are prodrugs, comprising an exendin linker conjugate D-L, wherein -D represents an exendin moiety and -L is a non-biologically active linker moiety. The -L moiety is derived from D-alanine and comprises -L1, depicted in formula (I), which can be substituted by L2-Z, wherein L2 is a single chemical bond or a spacer and Z is a hydrogel.</p> |
