The present invention relates to novel crystal forms of 2-amino-N-[2-(3a-(R)-benzyl-2-methyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridin-5-yl)-1-(R)-benzyloxymethyl-2-oxo-ethyl]-isobutyramide L-tartrate. More particularly, the invention relates to polymorph forms, and to processes for the preparation of, compositions containing and to uses of, such polymorph forms.La présente invention concerne des formes cristallines d'un nouveau type de L-tartrate de 2-amino-N-[2-(3a-(R)-benzyl-2-méthyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridin-5-yl)-1-(R)-benzyloxyméthyl-2-oxo-éthyl]-isobutyramide. Plus particulièrement, l'invention concerne des formes polymorphes, et des procédés de préparation de compositions contenant de telles formes polymorphes et leurs utilisations.
