Jiangsu Hengrui Pharmaceuticals Co. Ltd. and Shanghai Hengrui Pharmaceutical Co. Ltd. have identified new fused tetracyclic mitogen-activated protein kinase kinase kinase kinase 1 (MAP4K1, HPK1, MEKKK1) inhibitors reported to be useful for the treatment of cancer, diabetes, inflammation, infections, neurodegeneration and autoimmune, cardiovascular and reproductive disorders.