Isolation and structural elucidation of two impurities from a diacerein bulk drug 

 -  Journal of Pharmaceutical and Biomedical Analysis, 49(2), p.525-528, 2009 .
<br/><br/> Two impurities were found in the crude sample of diacerein. The level of these impurities 1.14 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIACEREIN<br/>LC-MS<br/>PREPARATIVE CHROMATOGRAPHY<br/>ISOLATION<br/>NOESY