Compounds of the formula I;
1
useful for the treatment of pain wherein A, Z, B, R
1
, X and D are as defined in the specification, methods of making such compounds, methods of using such compounds and pharmaceutical compositions containing such compounds
化学式为I;1的化合物,其中A,Z,B,R1,X和D如规范所定义,用于治疗疼痛的有用化合物,制备这种化合物的方法,使用这种化合物的方法以及含有这种化合物的制药组合物。