[EN] TRICYCLIC COMPOUNDS AND THEIR USE AS PHOSPHODIESTERASE INHIBITORS [FR] COMPOSÉS TRICYCLIQUES ET LEUR UTILISATION EN TANT QU'INHIBITEURS DE LA PHOSPHODIESTERASE
TRICYCLIC COMPOUNDS AND THEIR USE AS PHOSPHODIESTERASE INHIBITORS
申请人:Pfizer Inc.
公开号:EP3310784A1
公开(公告)日:2018-04-25
TRICYCLIC COMPOUNDS AND THEIR USE AS PHOSPHODIESTERASE INHIBITORS.
申请人:Pfizer Inc.
公开号:EP3310784B1
公开(公告)日:2020-10-07
Tricyclic Compounds And Their Use As Phosphodiesterase Inhibitors
申请人:Pfizer Inc.
公开号:US20190263816A1
公开(公告)日:2019-08-29
The present invention is directed to compounds of Formula I:
or a pharmaceutically acceptable salt thereof, wherein the substituents A, R
1
, R
2
, R
3a
, R
3b
, R
4a
, R
4b
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.