Stefan Hümer

Part of Do it again GmbH, Channel 21 Holding AG is a holding German company that specializes in marketing and selling goods and articles through teleshopping and the Internet. The company is based in Hannover, Germany.

Sandoz International GmbH develops and manufactures generic pharmaceuticals. It produces finished dosage forms of such off-patent drugs as diabetes treatment Glucophage, GERD drug Prilosec, and cholesterol. The company was founded in 1996 and is headquartered in Holzkirchen, Austria.

H e x a l AG develops, produces, markets and distributes modern generics and medicinal products. Its areas of emphasis are cardiovascular medicinal products, pain therapy medications and gastrointestinal products. The company was founded in April 1986 and is headquartered in Holzkirchen, Germany.

Part of Merck KGaA, Durachemie GmbH is a German company that specializes in medicinal chemicals and botanical products. The company is based in Wolfratshausen, Germany. Durachemie was acquired by Merck KGaA from Wyeth LLC on October 01, 1997.