2924403-17-6

PD-1/PD-L1-IN-34 (Compound (1S,2S)-A25) inhibits PD-1/PD-L1 interaction (IC50=0.029 μM), with a selected binding affinity with PD-L1 (KD=0.1554 μM). PD-1/PD-L1-IN-34 inhibits tumor growth by activating the immune microenvironment[1].

[1] Jing T, et al. Discovery and Optimization of Novel Biphenyl Derivatives Bearing Cyclopropyl Linkage as Potent Programmed Cell Death-1/Programmed Cell Death-Ligand 1 Inhibitors. J Med Chem. 2023 May 25;66(10):6811-6835. DOI:10.1021/acs.jmedchem.3c00205