Patente US5102884 - Controlling leukemia - Google PatentesB???squeda Im???genes Maps Play YouTube Noticias Gmail Drive M???s ??Iniciar sesi???n B???squeda avanzada de patentesPatentesA substituted benzoylurea compound of the formula (I): ##STR1## wherein R1 is a hydrogen atom, a halogen atom or a nitro group, each of R2 and R3 is a hydrogen atom, an alkyl group, --COR6 (wherein R6 is an alkyl grou