(S,R,S)-AHPC-Me-CO-CH2-PEG3-NH2
(S,R,S)-AHPC-Me-CO-CH2-PEG3-NH2 is a synthesized E3 ligase ligand-linker conjugate that incorporates the a VHL ligand and a linker. (S,R,S)-AHPC-Me-CO-CH2-PEG3-NH2 can be used in PROTAC BRD4 Degrader-5 (HY-133737) and PROTAC BRD4 Degrader-5-CO-PEG3-N3 (HY-133736).