Formula (I) compound of salt or solvate form thereof, wherein W, Rx, Ry, R1, R2, R3, R4, R5, R6 and R7 and A have the disease mediated such as meaning pointed in specification, available what treatment by beta-2-adrenoreceptor. The method for also describing the pharmaceutical composition containing these compounds and preparing these compounds.鹽或溶劑合物形式的式(I)化合物,其中W、Rx、Ry、R1、R2、R3、R4、R5、R6和R7以及A具有如說明書中所指出的含義,其可用於治療通過β2-腎上腺素受體介導的疾病。還描述了含有這些化合物的藥物組合物以及製備這些化合物的方法。