申请人:FIREFLY BIO INC
公开号:WO2023173121A1
公开(公告)日:2023-09-14
Compounds useful as linker-payload compounds are disclosed. The compounds have the following Structure (I) as a stereoisomer, enantiomer or tautomer thereof or a mixture thereof; or a pharmaceutically acceptable salt, solvate or prodrug thereof, wherein X1, X2, X3, X4, X5, R4a, and R4bare as defined herein. Additional compounds, conjugates, methods of preparation, pharmaceutical compositions, and methods of treatment related to conjugates of compounds of Structure (I) and a targeting moiety, or binding fragment thereof, are also provided.
本发明公开了可用作连接剂-负载化合物的化合物。这些化合物具有如下结构 (I),作为其立体异构体、对映体或同系物或其混合物;或其药学上可接受的盐、溶液或原药,其中 X1、X2、X3、X4、X5、R4a 和 R4b 如本文所定义。还提供了与结构(I)化合物和靶向分子或其结合片段的共轭物有关的其它化合物、共轭物、制备方法、药物组合物和治疗方法。