Natural product to modern discovery of their active ingredients and eventually to the development of new drugs. A large number of currently prescribed drugs have been either directly derived from or inspired by natural products. A few representative examples are listed below. Some of the oldest natural product based drugs are analgesics. The bark of the willow tree has been known from antiquity to have pain relieving properties. This is due to presence of the natural product salicin which in turn may be hydrolyzed into salicylic acid. A synthetic derivative acetylsalicylic acid better known as aspirin is a widely used pain reliever.
A Is for Acid A Is for Acid A Is for Acid is a 2002 British television film based on the life of the serial killer John George Haigh, known as the Acid Bath Murderer, because he dissolved the bodies of six people in sulphuric acid. Haigh, hanged in 1949 for his crimes, had wrongly believed that murder could not be proven without the presence of a body. Starring Martin Clunes in the lead role, the film was shot in Scarborough, chosen because its appearance was believed similar to that of London when Haigh lived there during the 1940s. The film was produced by