(IMAGE) Max Planck Institute for Chemical Ecology Caption A tiny difference with a great impact:This is a spatial representation of the epimers of the DIMBOA-glucoside. Only the (2R)-DIMBOA-glucoside (left) has a toxic effect on insects. The asterisk * marks the chiral center where the configuration changes. Credit Felipe Wouters, Max Planck Institute for Chemical Ecology 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.