Son of sevenless homolog 1 (SOS1) inhibitors have been detailed in a Shanghai Allist Pharmaceuticals Co. Ltd. patent and described as useful for the treatment of cancer, arteriovenous malformations, cardiofaciocutaneous syndrome, Costello syndrome, Legius syndrome (neurofibromatosis type 1-like syndrome), neurofibromatosis type 1, Noonan syndrome and Splenomegaly, among others.