Compounds of formula (I) or a pharmaceutically acceptable derivative thereof: wherein A, B, Z, R1, R2a, R2b, R8, R9, and Rx are as defined in the specification, a process for the preparation of such compounds, pharmaceutical compositions comprising such compounds and the use of such compounds in medicine.
式(I)的化合物或其药用可接受的衍
生物:其中A、B、Z、R1、R2a、R2b、R8、R9和Rx如规范中定义的那样,一种制备这种化合物的方法,包含这种化合物的药物组合物以及这种化合物在医学中的用途。