2,6-Dithio-8-(N-propylthio)theophylline 6616-05-3 NSC95870 Theophylline, 2,6-dithio-(8-propylthio)- Theophylline, 8-(propylthio)dithio- Uric acid, 1,3-dimethyl-2,6-dithio-(8-propylthio)-