申请人:——
公开号:US20030064990A1
公开(公告)日:2003-04-03
Compound of general formula I:
1
wherein R
1
, R
2
, R
3
, R
4
, X, Y and R
5
have the meanings given herein which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
通式I:1中R1、R2、R3、R4、X、Y和R5的含义如下,对于需要抑制环状鸟苷酸3′,5′-单磷酸酯酶(例如cGMP PDE5)的医疗状况的治疗和预防是有用的。