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Crystalline levosalbutamol sulphate and polymorphic forms thereof
Crystalline levosalbutamol sulphate and polymorphic forms thereof
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机译:硫酸左旋沙丁胺醇结晶及其多晶型物
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摘要
The invention provides three polymorphic forms of crystalline levosalbutamol sulphate designated herein as Forms I, II and III.;Crystalline levosalbutamol sulphate Form I is characterised by a powder XRD pattern with peaks at 10.8, 11.9, 13.0, 18.3, 28.5±0.2 degrees 2 theta.;Crystalline levosalbutamol sulphate Form II is characterised by a powder XRD pattern with peaks at 8.7, 9.6, 15.2, 15.7, 19.1, 27.2, 30.7±0.2 degrees 2 theta.;Crystalline levosalbutamol sulphate Form III is characterised by a powder XRD pattern with peaks at 5.5, 6.9, 7.3, 18.7±0.2 degrees 2 theta.;Processes for making the new polymorphic forms and pharmaceutical compositions comprising them are also provided.
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