Prof. P. Andrew Evans from Queen‘s University visited our group Date:Nov 11, 2019 Read times: Dr. P. Andrew Evans, visited our group and college of chemistry on Oct. 31, 2019, and gave us a wonderful lecture entitled with Stereoselective Construction of Challenging C-C Bonds:Total Synthesis of Complex Bioactive Agents. PreNews: Prof. David A Nagib from The Ohio State University visited our group NextNews: Prof. Herbert Mayr from Ludwig-Maximilians-University Munich visited our group