PROBLEM TO BE SOLVED: To provide a new compound having antiproliferative activity.SOLUTION: A new dihydropteridinone of general formula (I), isomers thereof, and the corresponding dihydropteridinone compounds of the isomers, are provided.COPYRIGHT: (C)2012,JPO&INPIT【課題】抗増殖活性を有する新規化合物を提供する。【解決手段】下記一般式(I)の新規ジヒドロプテリジノン、その異性体、これらのジヒドロプテリジノン化合物。【選択図】なし