Patente US5254575 - 4-aryl-thiazole derivatives - Google PatentesB???squeda Im???genes Maps Play YouTube Noticias Gmail Drive M???s ??Iniciar sesi???n B???squeda avanzada de patentesPatentesThe invention concerns a 4-aryl-thiazole or imidazole derivative having the formula I ##STR1## wherein X is 0 or NOH, Y is S or NR3, Ar is a group selected from phenyl, naphthyl, tetrahydronaphthyl, and bipheny