It is intended to provide a useful compound as an active ingredient of a preventive and/or therapeutic agent for rejection in the transplantation of an organ, bone marrow, or tissue, an autoimmune disease or the like which has an excellent S1P agonist effect. Because the compound of the invention has an S1P agonist effect, it is useful as an active ingredient of a therapeutic agent or a preventive agent for a disease caused by unfavorable lymphocytic infiltration, for example, an autoimmune disease such as graft rejection in the transplantation of an organ, bone marrow, or tissue or graft-versus-host disease, rheumatic arthritis, multiple sclerosis, systemic lupus erythematosus, nephrotic syndrome, encephalomeningitis, myasthenia gravis, pancreatitis, hepatitis, nephritis, diabetes, pulmonary disorder, asthma, atopic dermatitis, inflammatory bowel disease, atherosclerosis, or ischemia-reperfusion injury or an inflammatory disease, and further, a disease caused by the abnormal growth or accumulation of cells such as cancer or leukemia.
