The invention provides compounds of formula (1),
and the pharmaceutically acceptable salt thereof, wherein R
1
, n and R
2
are as described herein; compositions thereof; and uses thereof.
[EN] FUSED RING COMPOUND, PREPARATION METHOD THEREFOR AND USE THEREOF<br/>[FR] COMPOSÉ CYCLIQUE FUSIONNÉ, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 稠环化合物、其制备方法及用途
申请人:SICHUAN KELUN BIOTECH BIOPHARMACEUTICAL CO LTD