A compound represented by formula (1) or pharmaceutically acceptable salt thereof: wherein R1 is a C1-6 alkyl group； R2 and R3 are the same or different from each other and each is a hydrogen atom or a C1-6 alkyl group； X2, X3 and X4 are the same or different from each other and each is a hydrogen atom or a halogen atom； and X5 is a hydrogen atom or -P(=O)(OH)2 has a Wnt Pathway modulating activity.一種由化學式(1)代表之化合物或其藥學上可接受之鹽具有Wnt途徑調節活性：其中R1係一個C1-6烷基基團；R2和R3彼此相同或不同，並各自是一氫原子或C1-6烷基基團；X2、X3和X4彼此相同或不同，並各自是一氫原子或鹵素原子；並且X5係一氫原子或-P(=O)(OH)2。
