4791-41-7 6-Thio-8-(N-nonylthio)theophylline 6-Thio-8-n-nonylthiotheophylline BRN 1151759 NSC 95919 Theophylline, (8-nonylthio)-6-thio- Theophylline, 8-nonylthio-6-thio- Uric acid, 1,3-dimethyl-8-nonylthio-6-thio-