Founded in 1993, Greenstone distributes about 80 drugs in the U.S. It is a wholly-owned subsidiary of Pfizer Inc. The number of manufacturing locations was not readily available, but at least some are located in North America and Europe.
Nitroglycerin (Nitro-Dur)by Greenstone
Prescription Required
Used to prevent angina or chest pain
Greenstone
Manufacturer
United States
Based in
3
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About Greenstone
