申请人:Yeh Li-An
公开号:US20100143404A1
公开(公告)日:2010-06-10
Compounds of formula (I), compositions, methods and kits are provided. The compounds and compositions may be particularly useful for modulating immunological responses. Formula (I) wherein, R
1
is alkyl, aryl, or heterocyclyl; R
2
is H, alkyl, aryl, heterocyclyl, OR
3
or N(R
3
)
2
, R
3
is H, alkyl, aryl, or heterocyclyl; R
4
is H, CN, halogen, CF
3
, CO
2
R
3
, or C(O)N(R
3
)
2
; X is S, SO
2
, O, or NR
3
; and Y is S, O, or NR
3
.