Hydroxy-PEG2-C2-methylester is a polyethylene glycol (PEG)-based linker commonly employed for the synthesis of proteolysis targeting chimeras (PROTACs)[1].
Hydroxy-PEG1-C2-methylester is a polyethylene glycol (PEG) derived linker widely employed for the production of PROTACs - proteolysis targeting chimeras. [1]