The present invention provides compounds of formula (I): compositions comprising such compounds; the use of such compounds in therapy (such as asthma or COPD); and methods of treating patients with such compounds; wherein R1 to R20 and A1 are as defined herein.
本发明提供了公式(I)的化合物:包含此类化合物的组合物;此类化合物在治疗(如哮喘或慢性阻塞性肺病
COPD)中的应用;以及使用此类化合物治疗患者的方法;其中R1至R20和A1如本文所述定义。