Speaking of 1,2, 3-triazoles, it is estimated that anyone who works in organic chemistry and pharmaceutical chemistry is familiar with this lovely structure. Why cute structure? Because the reaction that makes this structure has the wonderful name of "click chemistry." The metal-catalyzed.

On the morning of December 3rd, the risk Control Department of Yuanfar Company invited Chen Lei, deputy director of post-insurance claim Recovery Department of CITIC Group, and other three people to hold a training session on credit insurance claim settlement knowledge in the company, which was atte