A conjugate comprising the following topoisomerase inhibitor derivative (A*): where Y is H or F, with a single overall linker moiety connecting two topoisomerase inhibitor derivatives to a Ligand Unit, wherein the topoisomerase inhibitor derivatives are cleavable from the Ligand Unit. Also provided is A* with the linking unit attached, and intermediates for their synthesis.
一个包含以下拓扑异构酶
抑制剂衍
生物(A*)的共轭物:其中Y为H或F,具有将两个拓扑异构酶
抑制剂衍
生物连接到
配体单元的单一整体连接基团,其中拓扑异构酶
抑制剂衍
生物可以从
配体单元中解离。还提供了附有连接单元的A*,以及它们合成的中间体。