6-Thio-(8-undecylthio)theophylline 6493-36-3 NSC95927 Theophylline, 6-thio-(8-undecylthio)- Theophylline, 6-thio-8-(undecylthio)- Uric acid, 1,3-dimethyl-6-thio-(8-undecylthio)-