Axl-IN-10 (Example 1) is a potent AXL inhibitor, with an IC 50 of 5 nM. Axl-IN-10 has excellent transmembrane properties.Axl-IN-10 exhibits excellent pharmacokinetic properties in an animal body. Axl-IN-10 can be used for the research of proliferative diseases, autoimmune diseases, allergic diseases, inflammatory diseases, transplant rejection, cancer , or other diseases in mammals.