Polymorphs

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C - Chemistry, Metallurgy

07

D

C07D 473/04 (2006.01) A61K 31/522 (2006.01) A61P 3/10 (2006.01)

Patent

CA 2651089

The invention relates to polymorphic crystal modifications of 1-((4-methyl-quinazolin-2-yl)methyl)-3,7-(2-butyn-l-yl)-8-(3-(R)-aminopiperidin-1-yl)xanthine, their production and their use for the preparation of a drug.

La présente invention concerne des modifications cristallines polymorphes de 1-((4-méthyl-quinazolin-2-yl)méthyl)-3-7-(2-butin-1-yl)-8-(3-(R)-amino-pipéridin-1-yl)-xanthine, leur préparation et leur utilisation pour fabriquer un médicament.

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