Boc-aminooxy-PEG1-propargyl is a polyethylene glycol (PEG)-based linker commonly employed in the synthesis of proteolysis targeting chimeras (PROTACs)[1].
N-(Boc-PEG1)-N-bis(PEG2-propargyl) is a polyethylene glycol (PEG)-derived linker utilized in the synthesis of proteolysis-targeting chimeras (PROTACs)[1].