| abstract |
FIELD: medicine; pharmacology. n 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 P 2T , can be applied for medical prevention and treatment of arterial thrombotic complication, as well as tumour growth and extension. n EFFECT: compounds show high metabolic stability and bioavailability. n 22 cl, 5 ex, 6 dwg |