Provided are a compound represented by formula (I) or a stereoisomer, hydrate, metabolite, solvate, pharmaceutically acceptable salt, eutectic mixture, or prodrug thereof, and a preparation method thereof, and an application for preparing a pharmaceutical product for treating a disease related to obstructed airways, wherein each substituent in the compound represented by formula (I) is as described in the specification.
本发明提供了一种式(I)代表的化合物或其立体异构体、
水合物、代谢物、溶液剂、药学上可接受的盐、共晶混合物或原药及其制备方法,以及一种用于制备治疗气道阻塞相关疾病的药物产品的应用,其中式(I)代表的化合物中的每个取代基均如说明书中所述。