N,N-Bis(PEG1-azide)-N-amido-PEG2-thiol is a heterobifunctional linker with two azides for click chemistry and a thiol for thiol–maleimide coupling, connected by PEG spacers specifically for solubility and flexibility.
Polyethylene Glycol PEG Linkers > Branched PEG > Branched PEG Azide
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