Thalidomide-5-NH2-CH2-COOH (compound 114) is a potent and selective inhibitor of tropomyosin receptor kinase (trk). Thalidomide-5-NH2-CH2-COOH is a ligand of E3 ligase. Thalidomide-5-NH2-CH2-COOH has the potential for researching one or more diseases (extracted from patent WO2021170109A1).IC50 & Target: trk