Linsitinib is an imidazopyrazine that is imidazo[1,5-a]pyrazine substituted by 2-phenylquinolin-7-yl, cis-3-hydroxy-3-methylcyclobutyl, and amino groups at positions 1, 3, and 8, respectively. It is dual inhibitor of the IGF-1 receptor and insulin receptor (IC50 = 35 and 75 nM, respectively) that was previously in clinical development for the treatment of cancer and thyroid eye disease. It has a role as an antineoplastic agent, an antimycobacterial drug, an apoptosis inducer and an insulin-like growth factor receptor 1 antagonist. It is a member of cyclobutanes, a member of benzenes, a member of quinolines, a tertiary alcohol, an aromatic amine and an imidazopyrazine.