TIR-199 (image) University of California - Riverside Caption This image shows the compound TIR-199 that holds much promise in the laboratory in fighting renal (kidney) cancer. Credit Pirrung Lab, UC Riverside. Usage Restrictions None 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.