The present invention relates to the compound of formula (1a) wherein p is 1 or 2, R1 - R4 are hydrogen atom or the like, and a - d are 1 or 2, or a pharmaceutically acceptable salt thereof, which has an antitumor effect by inhibiting the binding between a MLL fusion protein that is infused with AF4, AF9, or the like, which is a representative fusion partner gene causing MLL leukemia, and menin.
本发明涉及式(1a)化合物,其中 p 为 1 或 2,R1 - R4 为氢原子或类似物,a - d 为 1 或 2,或其药学上可接受的盐,该化合物通过抑制注入了 AF4、AF9 或类似物(AF4、AF9 或类似物是导致 MLL 白血病的代表性融合伙伴
基因)的 MLL 融合蛋白与 menin 之间的结合而具有抗肿瘤效果。