文章名:Process for the preparation of amorphous atazanavir bisulfate 
作者: Anon. 
专利号 :IP.com Journal (2007), 7(9A), 5. Language: English, Database: CAPLUS 
A process for prepg. amorphous atazanavir bisulfate comprises refluxing/dissolving it in an org. solvent, optional filtration, spray drying the filtrate, and recovering the product, confirmed to be amorphous by XRD.
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