Oxadiazole derivatives having anticancer effects

摘要

A pharmaceutical composition for treating or preventing cancer containing a compound of the general formula (I), a prodorug, a pharmaceutically acceptable salt, or a solvate thereof as an active ingredient: wherein R<1> is hydroxy or the like; R<2> is optionally substituted lower alkyl or the like; R<3> is hydrogen or the like; R<4> is optionally substituted arylene or the like; R<5> is optionally substituted aryl or the like.