申请人:Nanjing TransThera Biosciences Co. Ltd.
公开号:US10889591B2
公开(公告)日:2021-01-12
The present invention falls within the technical field of medicine, and in particular relates to PDE9 inhibitor compounds as shown in formula (I) or pharmaceutically acceptable salts or stereoisomers thereof, and also relates to pharmaceutical preparations and pharmaceutical compositions of the compounds and the uses thereof. X1, X2, X3, X4, R1, R2, ring A, L and m are as defined in the description. The compounds can be used to prepare drugs for treating or preventing related diseases mediated by PDE9.
本发明属于医药技术领域,尤其涉及式(I)所示的PDE9抑制剂化合物或其药学上可接受的盐或立体异构体,还涉及该化合物的药物制剂和药物组合物及其用途。X1、X2、X3、X4、R1、R2、环 A、L 和 m 如描述中所定义。这些化合物可用于制备治疗或预防由 PDE9 介导的相关疾病的药物。