4791-40-6 6-Thio-8-(N-octylthio)theophylline 6-Thio-8-n-octylthiotheophylline BRN 1147670 NSC 95912 Theophylline, (8-octylthio)-6-thio- Theophylline, 8-octylthio-6-thio- Uric acid, 1,3-dimethyl-8-octylthio-6-thio-