Diana Nigamatova (IMAGE) Ural Federal University Caption Diana Nigamatova optimized the reaction conditions and synthesized pyrons. Credit UrFU / Anastasia Farafontova Usage Restrictions Please credit the author of the image: UrFU / Anastasia Farafontova License Original 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.