Compounds having the structural formula I
1
or a pharmaceutically acceptable salt thereof, wherein
R is
2
R
1
, R
2
, R
3
, R
4
and R
5
are H, alkyl or alkoxyalkyl;
R
6
is H, alkyl, hydroxyalkyl or —CH
2
F;
R
7
, R
8
and R
9
are H, alkyl, alkoxy, alkylthio, alkoxyalkyl, halo or —CF
3
; and
Z is optionally substituted aryl, heteroaryl or heteroaryl-alkyl are disclosed.
Also disclosed is the use of compounds of formula I in the treatment of central nervous system diseases, in particular Parkinson's disease, alone or in combination with other agents for treating Parkinson's disease, and pharmaceutical compositions comprising them.
[EN] NITROGEN-CONTAINING HETEROAROMATIC RING COMPOUND AS WELL AS COMPOSITION AND PHARMACEUTICAL USE THEREOF<br/>[FR] COMPOSÉ CYCLIQUE HÉTÉROAROMATIQUE CONTENANT DE L'AZOTE AINSI QUE COMPOSITION ET UTILISATION PHARMACEUTIQUE DE CELUI-CI<br/>[ZH] 一种含氮杂芳环化合物及其组合物和药学上的应用