Figure 2. (IMAGE) Osaka University Caption Fluoroalkene units have attracted considerable interest from medicinal chemists as a replaceable structure of amide bonds. Credit ©2017 Osaka University, RIKEN, and Tokyo Medical and Dental University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.