Deoxyspergualin trihydrochloride is in beta-crystalline form, the method for preparing it

摘要

The deoxyspergualintrihydrochloridu beta crystalline forms that solution is related to. This substance can inhibit the immune response of body. Its production method is that our deoxyspergualintrihydrochlorid are dissolved in the volume 85 to 99. of the ethanol water of concentration of alcohol5%, put 2~22 days with the β-of crystal form r separate.