Compound and use thereof in medicine

Disclosed are a compound and a pharmaceutically acceptable salt thereof, which can be used, by means of a chemical small molecule which targets both UHFR1 and HDAC1, or a pharmaceutically acceptable salt thereof, as corresponding inhibitors or drugs for treating diseases, and are used for treating myelodysplastic syndrome, psoriasis, scar hyperplasia, prostate or breast hyperplasia, hematologic neoplasms and solid cancers alone or combined with other methods. Same have a good therapeutic effect.