Li Chen and Michael Wong (IMAGE) Rice University Caption Rice University's Li Chen and Michael Wong and colleagues in Dalian, China, have discovered a new way to make extremely pure levoglucosan, a rare sugar compound that drugmakers and synthetic chemists can use to build larger molecules. Credit Jeff Fitlow/Rice University Usage Restrictions For news reporting purposes only. 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.