Prof. Dagang Yu from Sichuan University visited our group Date:Apr 28, 2018 Read times: Dr. Dagang Yu, visited our group and college of chemistry on Apr. 27, 2018, and gave us a wonderful lecture entitled with A new organic synthetic chemistry involved in carbon dioxide. PreNews: Prof. Chengjian Zhu from Nanjing University visited our group NextNews: Prof. Yiyun Chen from Shanghai Institute of Organic Chemistry visited our group