학술논문
Polymorphs of 6-Beta-Naltrexol
Document Type
Patent
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Abstract
The present invention provides polymorphs of 6-beta-naltrexol and process for their preparation. In particular, the present invention provides crystalline forms of the free base of 6-beta-naltrexol and processes for their preparation. The present invention also provides crystalline and amorphous forms of the hydrochloride salt of 6-beta-naltrexol and processes for their preparation.