The previous page is sending you to https://cn.chem-station.com/molecule/2020/01/%E9%9D%9E%E7%94%BE%E4%BD%93%E6%8A%97%E7%82%8E%E8%8D%AF-%E5%90%B2%E5%93%9A%E7%BE%8E%E8%BE%9B%EF%BC%88indometacin%EF%BC%89.html.

 If you do not want to visit that page, you can return to the previous page.