White crystalline powder; odorless and bitter. Acetone is slightly soluble, ethanol or ethyl acetate is slightly soluble and water is insoluble. Anti-inflammation, anti-allergy, anti-rheumatism and immunosuppressive effects, used in connective tissue diseases, systemic lupus erythematosus, bronchial asthma, dermatomyositis, vasculitis and other allergic diseases, acute leukemia, malignant lymphoma, etc.