Today, there are an increasing number of drugs and other chemicals being derived from natural plant products.
蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉