More Complicated Carbocycles (IMAGE) Tokyo University of Agriculture and Technology Caption Researchers in Japan developed a new method to produce more complicated and medium-sized (seven- and eight-membered) carbocycles. Credit Keiji Mori, TUAT Usage Restrictions w/ credit 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.