Red crystal, odorless, tasteless, purity 98%, melting point 209-210 ℃, soluble in chloroform, acetone, ethyl acetate, soluble in methanol, ethanol, slightly soluble in petroleum ether, insoluble in water, not easy to hydrolysis, but in the alkaline environment can be self-sensitive photo-oxidation of photolysis; now the folk used as a drug to treat gastric pain and arthritis and is the treatment of dermatological disorders, anti-tumor, anti-AIDS, the potentially effective It is also a potentially effective photosensitive drug for the treatment of skin diseases, anti-tumor and anti-AIDS.
