File 1 (IMAGE) Waseda University Caption Convergent Total Synthesis of Cotylenin A by Chiral Building Block Method Credit Nakada Laboratory, Waseda University Usage Restrictions Image may only be used with appropriate caption and credit to Waseda University 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.