Crystal form of Chidamide, preparation method and use thereof

摘要

The present invention belongs to the field of pharmaceutical chemistry, and disclosed are two crystal forms of Chidamide, that is, Chidamide crystal form A and Chidamide crystal form B, and the method for preparing the new crystal forms of Chidamide. The Chidamide crystal form A and Chidamide crystal form B of the present invention can be used for preparing drugs for treating diseases related to cell differentiation and proliferation.