血小板凝集を治療するためのプロテアーゼ活性化受容体４（ＰＡＲ４）阻害剤としてのイミダゾチアジアゾールおよびイミダゾピリダジン誘導体

摘要

The present invention provides imidazothiadiazole compounds of Formula (I); Wherein W, Y, R0, R2, R4, Ra, Rb, X1, X2, X3 and X4 are as defined herein, or a stereoisomer, tautomer, pharmaceutically acceptable salt, prodrug ester or solvate form thereof, wherein all of the variables are as defined herein. These compounds are inhibitors of platelet aggregation and thus can be used as medicaments for treating or preventing thromboembolic disorders.