FIELD: medicine; pharmacology.
SUBSTANCE: this invention describes new crystal forms of tryazol[4,5-d]pyrimidine formula I , composition methods and based pharmaceutical formulations. Compounds develop high efficiency as antagonist P2T, can be applied for medical prevention and treatment of arterial thrombotic complication, as well as tumour growth and extension.
EFFECT: compounds show high metabolic stability and bioavailability.
22 cl, 5 ex, 6 dwg
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