n-(azido-peg-4)-n-boc-peg4-boc

N-(Azido-PEG4)-N-Boc-PEG4-Boc is a polyethylene glycol (PEG) derived linker, specifically designed for the synthesis of proteolysis targeting chimeras (PROTACs)[1].

N-(Azido-PEG4)-N-Boc-PEG4-NHS ester is a PEG-based PROTAC linker featuring a terminal azide group. It is commonly employed in the synthesis of PROTACs[1].

N-Azido-PEG4-N-Boc-N-PEG3-Boc is a PEG-based linker compound employed for the synthesis of PROTACs. [1]