Provided are novel polymorphs and pseudopolymorphs of valacyclovir hydrochloride and pharmaceutical compositions containing these. Also provided are methods for making the novel polymorphs and pseudopolymorphs, which include valacyclovir hydrochloride monohydrate and valacyclovir hydrochloride dihyd...http://www.google.fr/patents/US6849736?utm_source=gb-gplus-shareBrevet US6849736 - Crystalline forms of valacyclovir hydrochloride
