[EN] TRICYCLIC COMPOUNDS AND THEIR USE AS PHOSPHODIESTERASE INHIBITORS<br/>[FR] COMPOSÉS TRICYCLIQUES ET LEUR UTILISATION EN TANT QU'INHIBITEURS DE LA PHOSPHODIESTERASE
申请人:PFIZER
公开号:WO2016203347A1
公开(公告)日:2016-12-22
The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents A, R1, R2, R3a, R3b, R4a, R4b and n are as defined herein. The inventions also directed to pharmaceutical compositions comprising the compounds, methods of treatment using the compounds and methods of preparing the compounds.
本发明涉及以下式I的化合物或其药用盐,其中取代基A、R1、R2、R3a、R3b、R4a、R4b和n的定义如本文所述。该发明还涉及包含这些化合物的药物组合物、使用这些化合物的治疗方法以及制备这些化合物的方法。