2703915-71-1

E3 ligase Ligand 51 is the ligand for E3 ligase VHL, that can be used for synthesis of PROTAC BTK Degrader-12 (HY-170413)[1].

[1] Wang H, et al., Degradation of bruton's tyrosine kinase (btk) by conjugation of btk inhibitors with e3 ligase ligand and methods of use. WO2021219070