(S,R,S)-AHPC-PEG2-NHS ester
(S, R, S)-AHPC-PEG2-NHS ester is a synthetic PROTAC linker that incorporatess an E3 ligase ligand with a PEG linker to empower PROTAC medicine chemistry. NHS ester is reactive with amine moiety. The hydrophilic PEG spacer increases its aqueous solubility.