ACID SULFATE 2-ACETOXY-5- (α-CYCLOPROPILCARBONYL-2-FLUORBENZYL) -4,5,6,7-TETRAHYDROTHIENO 3,2-c Pyridine and its production

摘要

The present invention relates to crystalline form I of Prazagrel acid sulfate. Also described are a method for producing these salts, pharmaceutical compositions containing salts, and the use of salts in the form of pharmaceutical preparations, in particular as an inhibitor of blood platelet aggregation. Also described are seed crystals that can be used in the above method, as well as a method for their preparation.