If you meant "What is a drug name used by several companies?" then the answer would be a generic drug. An example of a generic drug would be aspirin.
Metronidazole
There are several leading companies for with good used tractors. One of the leading companies is John Deere.
The name of the drug was immunosuppresion. ........................................................................ no it wasnt , immunosuppresion is the name of the process of lowering the immune system to stop rejection. cyclosporin was the drug used for this but it was discovered in 1971.
Qat
At pharmaceutical companies there are math modelers that are coming up with ways to determine which person and cancer type will be most effectively treated with what drug. These people are called math modelers. Merrimack pharmaceuticals is one of these companies.
Brand name used by Sears Roebuck for firearms and sporting goods. They were made by several different companies, and marked with the Sears JC Higgins brand.
The drug AZT is used for the treatment of HIV/AIDS infection. The drug is the first U.S government approved treatment for HIV treatment. The drug is prescribed under the name Retrovir.
Drug trials help evaluate the safety of a drug compound in human population and its pharmacological efficacy. Drug trials also help companies identify how well the drug works for a given disease and what side effects to expect. The data extrapolated from the study is used to get FDA approval to market the drug and is used by doctors and pharmacists for medical treatments.
Located in Springfield Mass. the Springfield Arsenal was in operation from 1795 - 1968. After the arsenal closed in 1968, the name, Springfield was used as a commercial venture. The name Springfield was Public Domain, and cashed in on it. Several companies have used the name and trademarked variations of "Springfield".
Terbutaline
cobalt 234
Actually the name "Fitness Connection" is used by several different fitness companies in several different countries and cities - mainly in the United States and Europe. Some examples include "Cham" in Swiss or "Frankenthal" in Germany.