AMINES 2 (IMAGE) Rice University Caption Padmanabha Kattamuri holds a tray of Rice's nitrogen umpolung reagent, which is used as an intermediate in the novel synthesis of secondary amines found in drug candidates and other fine chemicals. Credit Jeff Fitlow/Rice 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.