Nye krystall- og solvatformer av ondansetron-hydroklorid og fremgangmsmåterfor fremstilling derav

摘要

The present invention provides novel ondansetron hydrochloride crystalline polymorphic forms and solvates. Processes for making and interconverting the polymorphic forms are also provided. Further provided are pharmaceutical compositions and therapeutic methods using the novel polymorphic forms and hydrates.