Azido-PEG3-S-PEG3-azide is a polyethylene glycol (PEG)-derived linker specifically designed for the synthesis of proteolysis targeting chimeras (PROTACs)[1].
Azido-PEG3-S-PEG4-propargyl is a polyethylene glycol (PEG)-based linker that contains the azide group and propargyl functionality. This linker is designed specifically for the synthesis of proteolysis targeting chimeras (PROTACs)[1].