PROBLEM TO BE SOLVED: To provide a novel compound obtained from koji mold (Aspergillus) and useful for the treatment or prevention of cancer, and a pharmaceutical composition comprising the compound.SOLUTION: This invention provides a novel parasiticolide derivative represented by the formula, and a pharmaceutical composition comprising the compound.COPYRIGHT: (C)2015,JPO&INPIT【課題】麹菌(アスペルギルス属)から得られ、癌の治療又は予防のために有用な新規化合物、及び該化合物を含有する医薬組成物の提供。【解決手段】下式で示される新規パラシチコリド誘導体、及び該化合物を含有する医薬組成物。【選択図】なし