申请人:Bäckström Reijo
公开号:US06903114B2
公开(公告)日:2005-06-07
Compounds of formula (I′), wherein A, R
1
to R
3
and t are as defined in the disclosure, exhibit COMT enzyme inhibiting activity so that they are useful as COMT inhibitors.
公式(I')的化合物,其中A,R1至R3和t如本文所定义,表现出COMT酶抑制活性,因此它们可用作COMT抑制剂。