DIBAC-GGFG-NH2CH2-Dxd (compound LP4), a Camptothecin (HY-16560) derivative, is a linker-payload of protein-agent conjugates. Dxd (HY-13631D) can be used as a payload for the antibody-coupling drug ADC (DS-8201a).DIBAC-GGFG-NH2CH2-Dxd is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.
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