A compound of formula (I), wherein R, R1, R2, R3, Y, Y1, a, X, and Z are as defined herein. The compounds of the present invention are inhibitors of hematopoietic prostaglandin D synthase (H-PGDS) and can be useful in the treatment of Duchenne Muscular Dystrophy. Accordingly, the invention is further directed to pharmaceutical compositions comprising a compound of the invention. The invention is still further directed to methods of inhibiting H-PGDS activity and treatment of disorders associated therewith using a compound of the invention or a pharmaceutical composition comprising a compound of the invention.
式(I)的化合物,其中R、R1、R2、R3、Y、Y1、a、X和Z的定义如本文所述。本发明的化合物是造血
前列腺素D
合成酶(H-
PGDS)的
抑制剂,可用于治疗杜兴氏肌肉萎缩症。因此,本发明进一步涉及包含本发明化合物的药物组合物。本发明还进一步涉及使用本发明化合物或包含本发明化合物的药物组合物来抑制H-
PGDS活性和治疗相关疾病的方法。