申请人:Pfizer Inc.
公开号:US20020099214A1
公开(公告)日:2002-07-25
There is provided a compound of formula I,
1
wherein R
1
, R
2
, R
3
and Y have meanings given in the description, which are useful in the prophylaxis and in the treatment of pruritus.
提供了一个式I的化合物,
其中R1、R2、R3和Y的含义如描述中所示,在瘙痒的预防和治疗中有用。