Structural Formulas (IMAGE) Moscow Institute of Physics and Technology Caption These are structural formulas of the thiophene and dihexyl-quarterthiophene molecules. Credit Elena Khavina/MIPT Press Office 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.