申请人:——
公开号:US20030149277A1
公开(公告)日:2003-08-07
Compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R
1
, R
2
and R
3
are various substituent groups; and one of X
1
and X
2
is N or CR″, and the other is NR″ or CHR″ wherein R″ is hydrogen, OH, C
1-6
alkyl, or C
3-7
cycloalkyl; or when one of X
1
and X
2
is N or CR″ then the other may be S or O; and their use as pharmaceuticals.
公式(I)的化合物或其药用可接受盐,其中R1、R2和R3是不同的取代基团;X1和X2中之一为N或CR″,另一个为NR″或CHR″,其中R″为氢、OH、C1-6烷基或C3-7环烷基;或者当X1和X2中之一为N或CR″时,另一个可以为S或O;以及它们作为药物的使用。