This invention relates to nicotinamide derivative of general formula (I), in which R1, R2 and R3 have the meanings defined herein, and to compositions containing and the uses of such derivatives as PDE4 inhibitors.
这项发明涉及一般式(I)的烟酰胺衍
生物,其中R1、R2和R3具有本文中定义的含义,以及含有这些衍
生物并将其用作PDE4
抑制剂的组合物。