OXADIAZOLE DERIVATIVES HAVING ANTICANCER EFFECTS

摘要

Pharmaceutical compositions for the treatment or prevention of cancers, containing as the active ingredient compounds of the general formula (I), prodrugs of the same, pharmaceutically acceptable salts of both, or solvates of them: (I) wherein R1 is hydroxyl or the like; R2 is optionally substitute d lower alkyl or the like; R3 is hydrogen or the like; R4 is optionally substituted arylene or the like; and R5 is optionally substituted aryl or th e like.